US1392640A - Indicating device usable with music-recording mechanism - Google Patents

Description

J C. HAGEY AND A. SWENSEN.

IND-ICATING DEVICE USABLE WITHMUSIC RECORDING MECHANISM.

' APPLICATION FILED APR. 19. 1917.

11,392,640. Patented 00154, 1921.

3 SHEETS-SHEET l.

f .l 75/ 3 i I 77 .2 55 E" I fizzle/23m 271mm;-

jig W3 '1 c. HAGEY AND A. SWENSEN.

INDICATING DEVICE USABLE WITH MUSIC RECORDING'MECHANISM, APPLICATION FILED APR. 19. 1917.

1 ,392,64;O, v Patented 0%. 4, 1921.

' EETS-SHEET 3.

UNITED STA ES.

PATENT OFFICE.

JAMES CLARKE HAGEY, or CHICAGO, Ann ALFRED SWENSEN, 0F CIGEBO, ILLINOIS,

ASSIGNORS TO THE CABLE CO PAN OF oHIoAG ILnINoIs, A'coEroRATIoN 0E ILLINOIS;

IN'DICA'IING DEVICE USABLE WITH MUSIC-RECORDING- MECHANISM.

' Application filed April 19. 1917. Serial to. 1e3,319.'

To all whom it may concern:

Be it known that we, JAMEs CLARKE HA- GEY and ALFRED SWENSEN; citizens of the United States, residing at Chicago, in the county of Cook and State of Illinois, and Cicero, in the county of Cook and State of Illinois, respectively, have invented certain new and useful Improvements in an Inclicatlng'Device Usable with Music-Record- 1I10' Mechanlsms, of which the following is a full, clear, concise, and exact description,

reference being had to the. accompanying drawings, forming apart of. this specifieae tion. y

Our invention relates to an indicating device usable with music-recording mechanisms, and more specifically, to an indicating device for use with recording machines which make recordsof selections as they are played on musical instruments.

One of the objects of ourinvention is to provide an indicatingdevice which will indicate to the attendant orv to the-performer playing a selection, the speed atwhich the record-receiving means on which the record is being made, is being advanced. A further object of our invention is to provide'an indicating device which will act periodically 011 the person of the attendant or performer to enable him to. make the tempo, at which a selection is being-played conform to the speed at which the record-receiving means is being advanced. A further object of our invention is to provide an indicating device in which the periodic actuationsreferred to will be recorded on the record'- receivin'g'means itself. Further objects will appear from the detailed description to-follow and from the appended claims. I

In the drawings, in which one embodiment of our invention is shownp I Figure 1 is a sectionalside' elevation, showing a grand piano, a'recording device mounted thereon, and an indicating device in connection therewith; i

Fig. 2 is a plan view of aperiodically acting, pneumatic indicator, to which the foot of the attendant. or performermay be secured, part being shown in section, on the line 2-2 of Fig.3; I

Fig. 3 is a s1de elevation of the parts make Fig. 8 is a section, on the line 8-8 of,

Fig. 9 is a side elevation, showing interchangeable spur-wheels used for controlling theindicatorp Referring to the drawings in detail, our invention is shown in connection with a grand piano 10, arecording mechanism 11 for recording, on a record-recelvlng means 12; the playing of a selection as it is played on the piano 10; periodically acting, pneumatically actuated, indicating means 13,

acting on thefoot i l of the attendant or performer for indicating the speed at which the record-receiving means 12 is being adv vancedycontrolling means '15, controlled .bythe record-receiving means 12, for con trolling the periodically acting, indicating means 13; andrecording means 16 for recording, on'the record-receiving means 12, the periodic actuations of the, indicating means 13.

In the exemplification of our invention shown the record-receiving means 12, on

which the record; of the selection played is made, may be a sheet which is afterward perforatechin accordance with the record fmade, and used as a master-sheet in an automatic perforating machine to control the This record-receiving means 12, which is used to a master-sheet, is provided with a series of alined openings 17 (Fig. 7) adjacent one edge thereof, into which may enter' the teeth 18 of a spurfeed-wheel 19, which is so rotated as to cause the record-receiving means 12 to advance at the desired speed.

The record-receiving means 12 may be held in-proper relation to the spur feed-wheel 19 Patented Oct. 4, 1921 shown in Fig. 2, part being shown in secsection, on the line l vproductionof perforated music-rolls for use p vwith 'automatlc musical lnstruments.

by means of a roller 20, which has a groove 21 to afford clearance for the teeth 18 of the feed-wheel. The recordreceiving means may be drawn over a suitable platen 22 beneath the recording devices 11 and 16.

The recording mechanism 11 may be of any suitable type and, as shown, comprises a series of markers 23, (one for each key 24 of the piano) slidably mounted in a supporting frame 25; a spring 26 for each marker 23, for normally holding the marker out of contact with the record-receiving means 12; a bell-crank-lever 27 for each 'matio 31, the valve-action 32 is made to comprise four diaphragm-actuated valves 34, the diaphragm-chambers 35 of which are all connected with a conduit 36 through a trunk-passage 37 and branch passages 38 (Fig. 6). Each of the valves 34 controls a passage 39 leading to the interior of the pneumatic 31 (Figs. 3 and 5). Each valve 34, in its raised position, places the pneumatic 31 in communication with the suction wind-chest 40 through its respective port 41, and, in its lowered position, places the pneumatic in communication with the atmosphere through its respective port 42. A housing 43 may be provided to prevent foreign substances from getting into the valve actions. The suction wind-chest 40 may be placed in communication with any suitable source of rarefied air 44 (Fig. 1) through the passage 45 and conduit 46. Any suitable restricted vents may be provided between the diaphragm-chambers 35 and the wind-chest 40 to insure the proper operation of the diaphragms 47.

The controlling means 15, for controlling the periodic actuations of the pneumatic 31, comprises a valve-device 48 (Figs. 1, 7 and 8) for controlling the admission of air through the conduit .36 to the diaphragm chambers 35; a spur-wheel 49, provided with a number of pins 50 for operating the valvedevice 48; and with projections 51 spaced so as to enter the openings 17 in the recordreceivin means 12' and a swin in arm 52 pivotally mounted at 53 on the frame 25, said arm having a bearing 53 on which the spur-wheel 49 is rotatably mounted, and to which arm the valve-device 48 is secured (Fig. 8). The valve-device 48 comprises a port-block 54, the port 55 of which is in communication with the conduit 36; a leafspring-valve 56, controlling the port 55 and having a portion extending into the path of movement of the pins 50; and a pair of brackets 57, secured to the port-block 54 by means of screws 58 and to the swinging arm 52 by means of set-screws 59. The pivotal mounting of the arm 52 permits it to be moved toward or from the record-receiving means 12, so that different sizes of spurwheels 49 (Fig. 9) may be interchangeably mounted on the bearing 53. The pins 50 may be slidably mounted in the spur wheel 49 (Fig. 9) (Fig. 7) so that, if desired, certain of them may be moved to a position in which they will not engage the leaf-spring valve 56 in their movement. Thus, the speed of the indicating means 13, with respect to the speed of the record-receiving means 12, may be varied either by an interchange of spur-wheels 49 orby a withdrawal of some of the sliding pins 50.

The recording means 16, which makes a record on the record-receiving means 12 of the periodic actuations of the indicating means 13, comprises a marker 60 slidably mounted in the frame 25, a spring 61 for normally holding the marker 60 out of contact with the record-receiving means 12, and a pneumatic 62 controlled by the spurwheel 49 for depressing the marker 60. The pneumatic 62 is controlled from the spurwheel 49 in a manner similar to that in which the indicating means 13 is controlled.

To accomplish this, the valve-action 63 of the pneumatic 62 is connected through the conduit 64 with a port-block 65, which is mounted on the port-block 54, both portblocks being thus carried by the swinging arm 52. The port 66 (Fig. 8) of the portblock 65 is controlled by means of a leaf spring-valve 67, which has a lost-motionconnection 68 with the leaf-spring-valve 56. The lost-motion-connection 68 comprises a rod 69 which extends through openings in both of the leaf-spring- valves 56 and 67, two buttons 70 threaded on the rod 69 on opposite sides of the leaf-spring-valve 67 and a head 71 on the rod 69 beneath the leafspring-valve 56. The rod 69 extends loosely through the opening in the lower leafspring-valve 56, and the head 71 is spaced from the valve 56 when both the valves 56 and 67 are closed. By this construction, openin of the valve 56 will also cause the valve 6 to open, but the valve 67 will open later than the valve 56. By adjusting the buttons 70, the retardation of the valve 67, with respect to the valve 56, may be adjusted The lost-motion coupling of valves 56 and 67 prevents interference by either valve with the proper action and closure of the other, and the adjustable feature of the coupling permits proper timing of the relative operation of the two valves, which may be desirable in instances where the recording mechanism 11 is located at a point distant from the piano 10 and the indicating means 13, or from either of them.

The wing-chest of the valve-action 63 may be connected with the source of rarefied air 44 through a conduit 73.

The means 33, for securmg the foot of the attendant or performer to the pneumatic 31 and positioning it with respect thereto, comprises a heel-plate 74, secured to the movable leaf 75 of the pneumatic 31 and having an upstanding flange 75 for engaging the heel of the shoe; and an adjustable toe-clamp 76, for holding the forward part of the foot in proper position. This toe-clamp 76 comprises a slide 77, slidable on the movable leaf 75 and provided with slots 78, through which the guiding and securing screws 79 extend; and a metalbracket 80, extending out over the forward part of the foot of the attendant or performer and provided with an adjustable cushioned clamp 81, which clamp is supported by the bracket 80 and is'adjustable with respectthereto and with respect to the forward part of the footof the attendant or performer by means of a thumb-screw 82.

For'limiting the collapsing movement of the pneumatic 31, the screw 83 is provided. This screw is threaded through a bracket 84 secured to the movable leaf 75, and, when the pneumatic collapses, engages a stop 85 secured to the fixed leaf of the pneumatic. A lock-nut 86 maybe provided forholding the screw 83 in adjusted position. In addition to limiting the collapsing movement of the pneumatic 3 1,the screw 83 and stop 85 also serve to give an audible signal when the screw'strikes the stop. The use and operation of the device will now be described. When it'has been decided to record a certain musical selection, the person in charge of the apparatus,upon examining the score of the selection or after listening. to a preliminary renditionthereof, determines at what speed the record-receiving means 12 '(which is to be made into a master-sheet) is to be advanced, and also decides what the frequency of operation of the indicating means 13 should be. The

various considerations which determine the speed at which the record-receivingmeans should be advanced and the frequency with which the indicating means 13 should be actuated do not need to be gone into in detail. The person in charge, from; this knowledge of the requirements, determines the distance which the record-receiving means 12 should travel. for each measure of the selection, and determines the number of times which the pneumatic 31 should be actuated for each such measure. He then arranges so that the feed-wheel 19 will drive the record-receiving means 12 at the required speed, and chooses a spur-wheel 49 which will cause the required number of actuations of the pneumatic 31 for a given advance of the record-receiving means 1.2. The foot of the attendant or performer is secured toithe 46 and. 78. The advancing of the recordreceiving means '12 causes the spur-wheel 49 to rotate, and the pins 50 are thus moved to engage with the .leaf-spring-valve 56 to periodicallyopen this valve. The opening of the valve 56 causes the pneumatic 31 to collapse, to impart a downward movement to the foot of the attendant or performer. As the pins 50 disengage from the leafspring-valve, the valve-snaps shut, permitting the pneumatic 31 to expand under the action of the spring 87. The opening of the valve 56 also opens the valve 67 through the lostTmotion-connection 68, causing the pneumatic 62 to collapse (simultaneously, if desired) with the collapse of the pneumatic 31. The collapse of the pneumatic 62 moves the marker 60 down into engagement with the record-receiving means 12 to make a mark thereon. When the valve 56 snaps closed,

the valve 67 also closes, permitting the pneumatic 62 to expand, and thespring 61 to 11ft the marker 60 away from the recordrecelvmg means 12.

The attendant or performer plays the selection, and the recording mechanism 11 makes a record on the recordreceiving means 12 of the selection as it is played, the depression of the keys 24 causing the depression of the corresponding markers 23 through the flexible connectors 28 and the bell-cranlr-levers 27.

The attendant or performer, knowing the number of collapses of the pneumatic 31 which will take place for a given travel of the. record-receiving means, is enabled to play the selection so that each measure thereof will be recorded onthat portion of the record-receiving means 12 on which it is desired that it should be recorded.

The marks made on the record-receiving means 12 by the marker 60, which records the actuations of the pneumatic 31, enable the arranger, who has charge of the perforating of the record-receiving means 12, to detect inaccuracies in the record caused by an imperfect rendition of the'selection as to tempo, as these marks made by the marker 60 indicate the .bars, which divide the meas ,ur'es from each other, and the subdivisions of the measures of the selection.

The instrument used is not necessarily an which are operated manually by the fingers of a performer, as it is sometimes desirable to use our invention in connection with automatic musical instruments provided with means, manually controllable by an attendant, for controlling the tempo in accordance with the actuation of the indicating means 18. This suggested arrangement may be used for various purposes. It may be used to change the rhythm-that is, to produce a new music-roll'in which the rhythm is different from the rhythm of the music-roll used on the automatic instrument-or it may be used to change the length of the music-roll-that is,'to produce a new roll which will have a different length from the roll used in making the record. It may also be used for making additions to the roll.

In the claims, where the expression manually attended musical instrument is used, it is to be understood as including an automatic musical instrument, provided with means manually controllable by an attendant, as well as a manually playable musical instrument, Such, for instance, as we have shown.

Having thus described our invention, what we claim as new and desire to secure by Letters Patent is:

l; A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instru ment, means for advancing the record-receiving means as the selection is being played, and vibratory indicating means for acting feelably on the attendant to indicate the speed at which the recordreceiving means is being advanced;

2. A combination including a manually attended musical instrument, means formaking a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selection is being played, and indicating means for acting feelably upon the person of the attendant to indicate the speed at which the record-receiving means is being advanced.

3. A combination including a manually attended musical instrument, means for making a. record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selection is being played, and periodically acting indicating means for acting feelably on the attendant to indicate the speed at which the record-receiving means is being advanced.

4. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selection is being played, and periodically acting indicating means for acting upon the foot of the attendant to indicate the speed at which the record-receiving ing means, means for making a record on said record-receiving means of a selection 7. as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, and indicating means for indicating to the attendant the speed at which said record-receiving means is being advanced, comprising means for periodically acting on the person of the at tendant; the last said means being controlled by said record-receiving means.

7. A combination including a manually attending musical instrument, means for making a record on a record-receiving means of a selection as it;is played on said instrument,

means for advancing the record-receiving means as the selection is being played, and indicating means forindicating to the attendant the speed at which the record-receiving means is'being advanced, comprising a foot-support and means for periodically actuating said foots upport.

S. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the recordreceiving means as the selection is being played, and periodically acting indicating means for acting uponthe person of the attendant to indicatethe tempo at which the selection should be played.

9. Means for indicating the tempo at which a musical selection should be rendered, comprising automatically controlled means for periodically acting feelably on the attendant.

10. Means for indicating the tempo at which. a musical selection should be rendered, comprising a foot-support and automatically controlled means for periodically moving said foot-support.

11. Means for indicating the tempo at whi h a musical selection should be rendered, comprising a foot-support and automatically controlled pneumatic means for periodically actuating said foot-support.

12. Means for indicating the tempo at which a musical selection should be rendered, comprising a footsupport, means for securing the foot of the attendant to said foot-support, and automatically controlled means for periodically actuating said footsupport.

13. Means for indicating the tempo at which a musical selection should be rendered,

comprising a pneumatic having a movable leaf forming a foot-support, and means for causing periodic actuation of said pneumatic. 14;. A combination including a manuallyattended musical instrument, record-receiving mea'ns,'means formaking a record on said record-receiving means, of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, and indicating means controlled by said record-receiving means for indicating to the attendant the speed at whichthe said record-receiving means is being advanced.

15. In a device of the class described, a

trolling said indicating. means controlled by said record-receiving means.

'16. In a device of'the class described, a manually attended muslcal instrument, record-receiving means, means for making a record on said record-receiving means of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, indicating means for indicating to the attendant the speed at which said record-receiving means. is bein advanced, and means for controlling sai indicating means driven by saidrecord-receiving means. I

17. In a, device of the class described, a manually attended musical instrument, record-receiving means, means for making a record on said record-receiving means of a selection as it is played on said instrument, means for advancing said-record-receiving means as the selection is beingplayed, indicating means forindicating to the attendant the speed at which said record-receiving means is being advanced, and means for controlling said indicating means driven by said record-receiving means; said record device having a series of spaced openings therein,

and said driven controlling means compris ing a rotatable member having projections for entering said openings. v

18. In a device of the class described, a manually attended musical instrument, record-receiving means, means for making a record on said record-receiving means of a selection as it is played on said instrument,

means for advancing said record-receiving means'as the selection is-being played, indicating means for 1nd1cat1ng to the attendant the speed at which said record-receiving means is being advanced, and means for controlling said indicating means driven by said record-receiving means; said record-receiving means-having a series of spaced openings therein, and said controlling means comprising a rotatable member, having projections for entering said openings, and a swinging arm provided with a bearing for said rotatable member; said bearing being movable toward and from said record-receiving means, and said rotatable member being detachably mounted on said bearing, whereby rotatable members of different diameters may be used interchangeably.

'19. In a device of the class described, a manually attended musical instrument, record-receiving means, means for making a rec ord-on said record-receiving means of a selection as it is played on said instrument,

means'for advancing said record-receivingmeans as the selection isbeingplayed, indicating means for indicating to the attendant the speed at which said record-receiving means is being advanced, and means for con 7 trolling said indicating meansdriven by said record-receiving means; said record device having a series of spaced openings therein,

and said driven controlling means comprising a-rota table member, havingprojections for entering said openings, and a bearing for said rotatablemember; saidbearing be-' ing movable toward and from 'said recordreceiving means, and said rotatable member being detachably mounted on said bearing,

whereby rotatable members of different diameters may be used interchangeably.

20. In a device of the class described, a

'manually attendedmusical instrument, record-receiving means, means for making a record on said record-receiving means of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, indi' cating means forindicating to the attendant the speed at which said recordreceiving means is being advanced, and means for controlling said indicating means driven by said record-receiving means; said record-device havingv a series of spaced openings therein,

and said driven controlling means-'compris means for advancing said record-receiving means as the selection is being played, indirecord on said record-receiving means of a' selectlon as it is played on said lnstrument,

means for advancing said record-receiving means as the selection is being played, indieating means for indicating to the attendant the speed at which. said record-receiving means is being advanced, and means for controlling said indicating device means by said record-receiving means; said record-receiving means having a series of spaced openings therein, and said controlling means comprising a rotatable member having projections for entering said openings, a swinging arm provided with a bearing for'said rotatable member, and valve-means carried by said swinging arm and periodically actuated by said rotatable member, said bearing being movable toward and from said record-receiving means, and said rotatable member being detachably mounted on said bearing, whereby rotatable members of different diameters may be used interchangeably.

23. A combination including a manually attended musical instrument, record-receiving means, means for making a record on said record-receiving means of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, periodically acting indicating means for indicating to the attendant the speed at which said record-receiving means is being advanced, means for recording on said record-receiving means the periodic actuation of said indicating means, and means for controlling said indicating means and said actuation-recording means controlled by said record-receiving means.

24. A combination including, a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means-as the selection is being played, pneumatically actuated periodically operating indicating means for indicating to the attendant the speed at which the record-receiving means is being advanced, and pneumatically actuated means for recording on the recordreceiving means the periodic operation of said indicating means.

25. A combination including a manually attended musical instrument, record-receiving means, means vfor making a record on said record-receiving means of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, pneumatically actuated periodically operating indicating means for indicating to the attendant the speed at which said record-receiving means is being advanced, pneumatically actuated means for recording on said record-receiving means the periodic operation of said indicating means, and means for controlling said indicating means and said operation-record ing means controlled by said record-receiving means.

.QGJ-A. combination including a manually attended musical instrument, record-receivingmeans, means for making a record on said record-receiving means of a selection as it'is played on said instrument, means for advancing said record-receiving means as the selection is being played, pneumatically actuated periodically operating indicating means'for indicating to the attendant the speed at which said record-receiving means is being advanced, pneumatically actuated means for recording on said record-receiving means the periodic operation of said indicating means, and valve-means Lforcontrolling said indicating means and for controlling said operation-recording means; said valve-means being controlled by said record receiving means.

27. Acombination including a manually 10 attended musical instrument, record-receiving means, means for making a record on said'record-receiving means of a selection as it is played on said instrument, means for advancing said record-receiving means 1 as the selection is being played, pneumatically actuated periodically operating indi cating means for indicating to the attendant the speed at which said record-receiving means is being advanced, pneumatically actuated means for recording on said record-receiving means the periodic operation of .said indicating means, and means for controlling said indicating means and said operation-recording means; said controlling means being controlled by said recordrecelvlng means and comprislng valvemeans and means for controlling said valvemeans driven by said record-receiving means.

28. A combination including a manually attended musical instrument, record-receiving means; means for making a record on said record-rece ving means of a selection as it is played on said instrument, means for advancing said record-receiving means as the selection is being played, pneumatically actuated periodically operating indi cating means for indicating to the attendant the speed' at'which said record-receiving means is :being advanced, pneumatically actuated means for recording on said record-receiving means the perlodic OPGIZLtlOIL record-receiving means having aseries'of spaced openings therein, and said control= ling means comprisinga rotatable member having projections for entering said openlngs.

29. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selectlon is be ing played, pneumatically actuated periodically operating indicating means for indi cating to the attendant the speed at which the record-receiving means is being advanced, pneumatically actuated periodically operating means for recording on the record-receiving means the periodic operations of said indicating means, a valve for controlling said indicating means, a valve for controlling said operation-recording means, and means for non-simultaneously operating said valves.

30. A combination including a manually attended musical instrument, means for making a record on a record-receiving meansof a selection as it is played on said valves and causing the actuation of the other of said valves through said lost-motion-connection.

31. A combination including a manually attended musical instrument, means for making a record on a record-receivin means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selection is being played, pneumatically actuated periodically operating indicating means for indicating to the attendant the speed at which the record-receiving means is being advanced, pneumatically actuated periodically operating means for recording on the record-receiving means the periodic operations of said-indicating means, a valve for controlling saidindicating means, 'a valve for controlling said operation-recording means, an adjustable lost-motion-connection between said valves, and means for actuating one of said valves and causing the actuation of the other of said valves lost-motion-connection.

32. A combination including a manually attended musical instrument, record-receivlng means, means for making a record on sald record-receiving means of a selection as 1 it is played on said instrument, means for advancing said record-receiving means as the selection is being played, periodically acting indicating means controlled by said recordreceiving means for indicating to the attendant the speed at which said recordreceiving means is being advanced, and means whereby the periodic actuation of said indicating means with respect to the advance of said record-receiving means may be varied.

33. A combination including means for making a record on a record-receiving means, means for advancing the record-receiving means, feelable indicating means for indicating the speed at which the record-receiving meansis being advanced, and means for indicating on the record-receiving means the operation of said feelable indicatingmeans.

34:. A combination including record-receiving means, means for making a record on said record-receiving means, means for advancing said record-receiving means, indicating means for indicating the speed at which said record-receiving means is being advanced, means for recording on said record-receiving means the operation of said indicating means, and means for controlling said indicating means and said operationrecording means controlled by said recordreceiving means.

' 35. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of aselection as it is played on said musical instrument, means for advancing the recordreceiving means as the selection is being played, and periodically acting indicating means for moving the foot of the attendant to indicate the speed at which the record receiving means is being advanced.

36. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as itis played on said musical instrument, means for advancing the recordreceiving means as the selection is being played, indicating means for indicating to the attendant thespeed at which the recordreceiving means is being advanced and means for controlling said indicating means comthrough said 3 prising a conductor member whereby said indicating means may be located as desired with respect to said controlling means, and means whereby the frequency of operation of said indicating means with respect to the advance of the record-receiving means may be varied.

37. A combination including a manually attended musical instrument, means for making a record on a record-receiving means of a selection as it is played on said instrument, means for advancing the record-receiving means as the selection is being played, periodically acting indicating means for indicating to the attendant the speed at which the record receiving means is being advanced, and means for controlling said indicating means comprising a conductormember whereby said indicating means may be located as desired with respect to said controlling means, and means whereby the frequency of operation of said indicating means with respect to the advance of the record-receiving means may be varied.

In witness whereof we have hereunto subscribed our names.

J. CLARKE HAGEY. ALFRED SWENSEN.

It is hereby certified that in Letters Patent No. 1,392,640, granted October 4:, 1921, upon the application of James Clarke H-agey, of Chicago, and Alfred Swensen, of Cicero, Illinois, for an improvement in Indicating-Devices Usable With Music-Recording Mechanisms, errors appear in the printed specification requiring correction as follows: Page 3, line 5, for the compound Word Wing chest read wind-chest; page 41, claim 6, line 80, after the Word instrument insert a comma; same page, claim 7, line 93, for the syllable tending read tended; pages 5 and 6, line 1 of each of claims 15, 16, 17, 18, 19, 20, 21, and 22, for the phrase In a device of the class described read A combination including; page 5, claims 17, 19, and 20, lines 56, 95, and 117, and page 6, claim 21, lines 5, and 6, for the compound Word record-device read ncco r'dweccining means, same page, claim 22, line 31, after the Word member strike out the comma and insert a semicolon; and that the said Letters Patent should be read with these corrections therein that the same may conform to the record ofthe case in the Patent Office.

Signed and sealed this 3d day of January, A. D., 1922.

[SEAL] WM. A. KINNAN,

Acting Commissioner of Patents.

It is hereby certified that in Letters Patent No. 1,392,640, granted October 4, 1921, upon the application of James Clarke I-I-agey, of Chicago, and Alfred Swensen, of Cicero, Illinois, for an improvement in IndicatingDevices Usable With Music-Recording Mechanisms, errors appear in the printed specification requiring correction as follows: Page 3, line 5, for the compound word Wingchest read wind-chest, page 4, claim 6, line 80, after the Word instrument insert a comma; same page, claim 7, line 93, for the syllable tending read tended; pages 5 and 6, line 1 of each of claims 15, 16, 17, 18, 19, 20, 21, and 22, for the phrase In a device of the class described read A combination including; page 5, claims 17, 19, and 20, lines 56, 95, and 117, and page 6, claim 21, lines 5, and 6, for the compound Word record-device read record-receiving means; same page, claim 22, line 31, after the Word member strike out the comma and insert a semicolon; and that the said Letters Patent should be read with these corrections therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 3d day of January, A. D., 1922.

[SEAL] WM. A. KINNAN,

Acting Commissioner of Patents.

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