US901614A - Circuit-breaker. - Google Patents

Description

E. MLHBWLE'I'T & T. BUTTON.

CIRCUIT BRE'AKEIRQ APPLICATION 1- I"LED00T,22, 1904 4 SHEETS-SHEET 1.

Inventors: Wntnesses v Edward l'TH-lewlett, heOdore BButLorw,

Patented Oct; 20,1908.

E, HEWLETT & 'T. ,E- BUTTON.

CIRCUIT BREAKER. APPLICATION FILED 0GT.22.\1904.

Patented Oct. 20, 1908.

4 SHEETS-SHEET 2.

Inveritor-s. 6 ,Edward m.|-1ew|eu,,.

Witnesses 9/ heodore BButtgfl, I I by fltt'y.

E. M." HEWLETT &'T. E. BUTTON. CIRCUIT BREAKER. APPLIOATION,I'ILED 0OT.22, 1904.

Patented O t. 20; 1908.

44 SHEETS-SHEET 3 inventors:

vIll-[min M IIiE-l ll. llliel,

Edward m.l-lewlet,t,

Witnesses. 4 Theodore EJSutc-(Jn,

9f I V W J by UNITED STATES PATENT EEKCEQ EDWARD )1. HEWLETT AND THEODORE E. BUTTON, OF SCHENEUTADY, NEW YORK, ASSIGNORS; TO GENERAL ELECTRIO COMPANY, A CORPORATION OF NEW YORK.

CIRCUIT-BREAKER.

Specification of Letters Patent,

Patented Oct. 20,, 1908.

To all whom-it may concern:

Be it known that we, EDWARD M. Hiaw- LETT and Tnnononn BUTTON, citizens of the United States, residing at Schenectady, --5-county of Schenectady, State of New York,

have invented certain new proveinents in Circuit-Breakers, of which the following is a specification.

T he present invention relates generally to circuit-breakers but more particularly to that type of breaker in which one or'rnore sets of shunt contacts are provided and in which the iinal break is made between carbon con tacts.

The object of the invention is to improve that end it consists in certain structural features which will be best understood upon reference to the following detailed description taken in connection with the accompanying drawings, the novel features being definitely pointed out in the appended claims.

Referring to the drawings, Figure 1 is a front elevation of a circuit-breal-ter embodying the ieatures oi the invention;

3 are si'e elevations of the same, the former snowing the breaker open and the latter closed; Fig. -1 a detail view illustrating the yielding connection between portions of the shunt contact supporting frame, the section being a complete section taken on a plane indicated by the line 1 -1 of Fig. 7'. Fig. 5 is a .similar detail view, the section. being taken on a plane corresponding to the line 5 5 of Fig. 7 fig. 6 is a sectional view taken on the plane indicated byline 6 6 of Fig. 1; Fig. 7 is a partial sectional view taken on a plane indicated by line 7 T of Fig. -11 Fig; 8 is a front elevation of the tripping coil and the lower contact stud and Fig. 9 is a perspective View of the shims and coacting parts by which the inain bridging contact is adjusted.

Throughout these views like characters refer to like parts.

T he breaker tially of vertically-arrangedcontact studs A B mounted on a suitable support C, a trip magnet D coin )rising a yoke of iron E partially surrouning the lower stud, a main bridging contact F carried by a main supporting frame Gr pivoted at its lower =.end to the yoke E which constitutes a supporting base for the-movable element of thebreaker, an, operating lever ll, ainain toggle I tor cramp.

ing'the bridging contact-Finto engagement and useful 1111- circuit-breakers or" this type generally and-to Figs. 2 and.

lower end of the plates illustrated consists essen breaker.

with the studs A and B, primary shunt contacts J K, secondary shunt contacts L M, a supporting frame X carrying the contact M, secondary toggles O for rocking the frame N to bring the shunt contacts L and M into engagement, and a cramping frame P for the toggles and operating parts pivotally connected at its inner end to the yoke E and at its outer end to the operating lever H.

The contact studs A and B are provided with theusual threaded shanks 10 and nuts 11 located in the rear ofthe support C, and

said support which is com osed oi slate or other insulating material is proyided with openings 12 by which it may be secured to the switchboard. The fixed shunt contacts J and L are electrically connected to the stud A, the former by direct connection and the latter through the bracket 13. he contact J consists merely of a removable plate held in position by bolts 14 while each of the contacts L is made up of a metal block 15 and a carbon block 16. These contacts L and \1 are supported by suitable holders 1? and 15 each of which consists essentially oi two clamping plates 19 having engaging flanges 20 between which the carbon block it} is firmly gripped by the clamping screw '21. The withdrawal of the carbon blocks from the holders in an upward direction by the action of the arc is prexentedb pins 22 which engage recesses in the backs oi the blocks as clearly illustrated in Fig. (3. When the carbon blocks are thus clamped. screws 23 are passed through. the bracket 13 in the case of the holder 17, or the members 24 in the case of the holder 18, and through the 19 into the nietsl blocks 15. \Yitli'this construction it will be seen that in any case the metal block 15 may be .rendily replaced without removing the carbon block 16 from its holder; and on the other hand the carbon block may be withdrawn by merely loosening up the screws 21 and'23 without removing the block 1'5.

The lower Contact stud B is surrounded on three sides by the magnetic yoke E which constitutes a support for the 1110\111}: element of the breaker and which 'togetliei"\\'itli' the stud B constitutes the trip magnet oi the 'lhearmat-ure 25 of this magnet is pivoted to a block 26 of brass or other-nonmagnetic material secured to the lower end of one arm of the yokeE and is adjustedso as to vary the air-gap by an adjusting screw lib . and. of the armature .2

:34 and the block the lug -28 extending from the other arm of the yoke. The free 5 is bifurcated for the passage 'oi'ithe lower end of the adjusting screw 2 This screw is pro vidcd with a head 29, which engages the under side-of the armature, and a head at its outer endwhich serves to indicate the calibration of the magnet upon the scale 31 carried by the adjacent arm of the yoke. A jam-nut 32 is provided on the screw 27 and engages with the projection 28. For the purpose of obtaming a wide range of calibrationwith a relatively short scale plate, the armature 25 is provided with a. weight 33 composed of nonmagnetic material and disposed upon the armature so as to bring its greater mass toward the free-end of thearmature.

The bridging contact F is composed of a bundle of laminations of phosphor bronze or equivalent material held between the plate 35 by a screw 36. This screw extends through the bundle of lamina-- tions and an intervening block 37 into a projt'll(l-1l 38 on the block 35 which is seated within a recess in the block 37 as indicated by the dotted lines in Fig. b. The block35 is connected by a pivot 39 to the upper end of the main supporting frame G which in turn is pivoted at its lower end to the lower end of the yoke- E. There is a slight clearance between the block 35 and the adjacent part of the swinging l'rame G which permits aslight rocking mo vcment of the contact F so that it will satisfactorily seat itself upon. the contacts A and B when pressed home by the operating; lever H. The position of the contact F relative to its pivot 39 may be varied by means of L3-shaped shims 40 inserted between the pivot block 35 and the block 37. These shims, which are shown in dotted lines in Fig. 15, and'in Fig. 9 straddle the projection 38 on the block 35. By these shims, when the parts are assembled, the contact F may be adjusted. so as to give the desired pressure between its ends and the studs A and B.

ihe operating lever H by which movement 1 transmitted to the various parts is journaled atits upper end upon a connecting pin 41 of the cramping frame I. This frame also comprises parallel links 42 which are connected at their outer ehds to the pin 4]. and at their inner ends to the'upper part of the magnet frame E. 4 The bridging contact F and its supporting frame G lie wholly within the cram ing frame P, while the operating lever .l straddles the cramping frame as clearly illustrated in Fig. 1. The bridging contact F is cramped into engaging position by the main toggle I formed by the inward projection 43 on the operating lever ll and tho outward fralnc G. As clearly illustrated, the parts are ""mmctrically disposed, the projection 43 lying between the projections 44 so that '42. In closing projections 44 on the strain impartedin forcing the contacts into engagement is taken up equally by the links the circuit-breaker, the operating lever 1-1 is moved downward and inward until the cooperating stops 45 45-upon the lever H' and frame G brought into engagement. This occurs just before the main toggle 1. reaches dead center, so that the main toggle is never over-set and consequently as soon as lever H. isfree, the weight of the contact'F and the frame G will open the breaker and cause the parts to assume the position illustrated in Fig. 2. To hold the circuit-breaker closed, a. latch 46 is provided. This latch is pivoted at the point- 47 to the frame G and engages a projection 4.8 on the operating lever lil.- The latch is tripped either manually or automatically, in the former case by pressing the button 49 and'in the latter by the armature 2.5 of the trip magnet engaging the under side of the rearwardly-cxtending arm 50 of the latch.

The secondary contact K.is mounted at the upper end of a leaf-spring composed of one or more phosphor bronze strips which are carried by the main cont-act F and elec trically connected with the lower stud B bymeans of the flexible strip 51, the lower curl of said strip being secured to the under side of the stud B as clearly shown in Fig. 2.

The clamping plates 19 which constitute the holder of the shunt contact M are connected at their lower end to yieldingly-supported members 24 which are pivotally connected to the upper end of the frame N which in turn is pivoted at its lower end concentric with the main supporting frame G to the yoke E. Movement is transmitted to the frame X by means of the sewndary toggles 0 each composed of the links 52 and connecting said frame to the pivoted pin 41 on the cramping frame P. The connecting points between the links 52 and the frame i\ are so located that when the circuit-breaker is closed, they are in line with the pivots connecting the cramping frame P and the base C. Movement is transmitted to the secondary toggles 0 from the operating lever II by means of the shoulders 54- and 55 upon thc sleeve-56 formed integral with the operating lever H and the cooperating shoulders 57 and '58 on the links 53.; Upon the downward movement of the lever H the shoulders 55 and 5- are brought into engagement and the toggles O are forced from the positionol Fig. 2 to that of Fig. 3, thcst'ops 9 mpthe links 53 engaging the projections 6(l.on= ;the links 52 to arrest the toggles infthe slightly-overset' position. From this it'will hes i that when the breaker moved to open pos tipn, the main toggle I will first respectively are j begin-to move and thebridgmg contact F will havc moved u considerable distance from the studsii and 13 before the shoulders :54 and 57 engagcto break the secondary toggles-1O and allow the circuitlto be broken between the'shunt con- I taotQLandM. "During the movement of the partsprior to the breaking of the secondary-toggles O the pressure between the'shunt 1 7 contacts L and M remains unchanged since anysmoyement ofthe cramping frame P. and- The secondary stud-B- and. the shunt' contacts M is completed I flexible contact strips. filfwhi'c'h connecttheupper side of B with the base "illustrated in Fig. 2.

lever' H, will'be about the line extendingthrough the plivots' connecting said: toggles to the frame andthe pivots connecting the frame P to the supporting base E previously referred to. circuit between the lower byway of one or more the stud 62 on the frameN, as clearly The flexible strips 61 constitute a protectiveshield or apron to pro ventthe passage or falling of foreign substances into the spac l between the lower end of the, contact F and the stud B, which would bedifiiouit to dislodge and would cause dam- Beet the frame and the members age to the breaker."

- In order to electrically and-'yieldingly conl coiled springtfi and flexible .strips 64 surrounding the spring are provided. parts are inclosed in a spring case to the frame These 6 5. The

strips, are connected at their ,opposite ends N and the members 24 by I screws 66 and .57 asclearly illustrated in the members 24, center through a Fig. "4. The is'pring is a 'two-partr coiled spring which is lecated within the spring ease 65 and is firmly secured at its ends to the spring bearing at .its suitable insulating block -68 'against acentral web 69 of that portion of the spring case connected to the frame N. rThis-springis'coiled about the pivoted pin '70 and is suitably insulated therefrom by 1n- "-;sulation .71 as clearly shown in Fig. 7. The

- sprin 63 normally holds thecontacts M in u'rposrtion to cause a wiping engagement bebreakenis actuated, the contact points be- "tween the contacts moving from metal carbon.

to By reason of the fact that this spring is'insulated at 68 at its point of contact with the frame N it will not conduct l current to the shunt contacts and will con- I the-sci wilt abut as indicated by sequently not lose itstemper. By means of 'the'insulation 71. and the insulating washers 72-, the frame N 5 5' each other except through the flexible con- -r.ection 64, so that practically all current conducted from. one through this flexible connection. 'The move- 60 and the contact-carrying members 24 are substantially insulated from to the other must pass .ment. of the members 24 relative to the limited" by suitable abutting thich, are so located that when uitrbreaker is closed the shoulders the dotted line position of the members 24 in Fig. 4. This the opening operating lever 4 outward movement of edges.

the operating lever tween them" and the contacts L when the erative relationlto said stud, at scale, and means produces a pressure between the contacts L and M which is caused by the toggles O and which is independent of the coiled spring 63 whose function 1s-pr1-marily to produce a w ping action between the contacts as they I A separate: -fthe ,togglesa,O, occasioned by the movement ttheppera'tin co ninpn ..p ivota 'In order to take up the jar resulting from 0f the breaker, the upper end of the mainsupp'orting frame G is provided with a buffer'which engages a'stop .73 on the H. This buffer comprises a metal cap 74 mounted so as to move into and-out of a socket 75 in the frame G. The

cap is provided with a shank 76 which extends through the bottom of the socket and is provided with a pin 77 which limits the v the cap 74. Beneath the cap'and surrounding the shank 76 is a number of rubber washers 77 which are of slightly smaller diameter than the socket by the separation of theshunt contactsl'J. "and K and when both the contact F and v the shunt contact is: arcing distance, the secondary tog le is actuated to break thecircuit betwee n the shunt contacts L and, M. Until this point is reached, however, the pressure between the shunt contacts'L and M remains unchanged due to the unchanged position of the secondaryltoggle, and-a good contact is maintained between the metal parts of said contacts.- In the movement of the contact M out of engaging position by rea'- son of'its spring connection with the spring case 65, the metal faces are gradually drawn out of engagement and the circuit is finally broken between the carbon, contacts. j

What we claim as new and desire to secure by Letters Patentof the'United States, is- 1. In a circuit-breaker, the combination with a contact stud, ofa magn'fe yoke in op- I in a for indicating the .adjustment of the armatureupon the scale,,s'a'id yoke, armature, scale and means being combined in a unitary structure.

- 2. In a circuit-breaker, the combination with a contact stud, of a magnet yoke in operative relation to said stud, an armature, a scale, and ascrew for adjusting said armature, having'a head indicating directly upon saidscale-the adjustment of said armature,

have passed beyond.

illustrated in Fig. 2-

said yoke, armature, scale and screw being combined in 'a unitary structure.

3. In a circuit-breaker, thecombination with a contact stud, of a magnet yoke partially surrounding said stud, an armature adapted to complete the magnetic circuit about said stud, a scale, and means for adjusting said armature and indicating said adjustment upon said scale, said yoke, armature, scale and means being combined in a unitary structure.

4. In a circuit-breaker, the combination with a contact-stud, of a flat magnet yoke, a scale, an armature movable in the plane of said yoke, and a screw for adjusting said armature lying in the plane of said yoke and armature and having a head for indicating directly upon said scale the adjustment of said armature.

5. In a circuit-breaker, -the combination with a contact stud, of a magnetic conductor operatively related to said stud and constituting a supporting base, and a movable switch element carried by said base.

6. In a circuit-breaker, the combination with a contact stud, of a magnetizable yoke partially surrounding said stud and constituting a supporting base, a movable switch element carried by said base, means for latching said element in closed position, and means actuated by the magnet formed by said yoke and stud to trip said latching means.

-7. In a' circuit-breaker, the combination of vertically-arranged fixed contacts, cooperating movable contacts, and means for preventing the passage of foreign substances into the space between the lower contacts.

8. In a circuit-breaker, the combination of vertically-arranged fixed contacts, coopcrating movable contacts mounted so as to rock about a point adjacent to the lower contacts, and a shield or apron for preventing the passage of foreign substances into the .space between the contacts adjacent to said pivot.

9. In a circnitbreaker, the combination of a fixed elementhaving vertically-arranged contact studs, a movable element having cooperating contacts, and an apron or shield connecting the fixed and movable elements so as to prevent the passage of foreign substances into the space between the lower contacts when the breaker is open.

10. In a circuitbreaker, the combination of a fixed element having vertically-arranged contact studs, a movable element having cooperating contacts,'sup orting and operating'means for said mova le element located adjacent to the lower stud, and a protective shield or apron lying above said means and below the upper stud.

11. In a circuit breaker, the combination with vertically:arranged main and shunt contacts, a piVntc-(l supporting frame for the movable shunt contacts, and a protective shield extending from the upper side of the broad, flexible conducting strip extending from the upper end of the wer stud to sai frame so as to prevent the passage of foreign substances into the space between said lower stud and, the adjacent-end of the primary brush. p

13. Ina circuitbreaker, the combination with a support and fixed and movableswitch elements, of a trip magnet carried by .said fixed element, an armature therefor movable in a plane-parallel to said su port, and a latch for holding said movab 0 element in closed position carried by said movable 010-, ,ment and having an arm extending rearward in a direction substantiall plane of said support into 1; e ment of said armature.

14. In a circuit-breaker, the combination with a support and fixed and movable switch elements, of a latch carried b saidmovable path ofmoveelement and adapted to hol sa'id movable element in closed carried by said fixe ture movable in a plane parallel to said support and at right angles to the latch and operated by said magnet to trip said latch.

15. In a circuit-breaker, the combination with fixed'contact studs, of a magnet yoke partially surrounding one of said studs, an armature pivoted to one arm of said yoke and adapted to complete the magnetic circuit about said stud, a movable switch element comprising a contact adapted to con nect said studs, a latch for Holding said movable element in closed position carried by position, a trip magnet said movable element and extending into the path of movement of said armature so as to be tripped thereby.

16. In a circuit-breaker, the combination with two pivotally-connected members, of means for limiting the movement of said members relative to each other, a coiled spring surrounding the pivot and connected with said members so as to yieldin ly hold them in one limiting position, SB-i( spring being insulated from one of said members, and a conductor strip partially surroundi said spring and electrically connecting sai members.

17. In a circuit-breaker, the combination with a supporting frame, of a contact-holder pivoted thereto, means for limiting the movement of said holder relative to said frame, a coiled sprin surrounding the pivot and connected to said frame and holder so as to yieldingly'hold'said holder in one of its element, and an arms-' normal to the latedfrom said frame, an partially? gsurr QOLGIE limiting posit-ions, said unding saidspring and con necting said f amc and -c ontact-iholder.

with adsupporting frame provided mounted on said pivot, means for limiting the movement ofsaid'holders with reference to said frame, a coiled spring insulated from I said frame and connecting said frame withsaidholders so as to yieldingly hold said 0011-- tact-holders in one of their limiting positions,

and conductor strips partially surrounding and connecting said frameto said contact-holders.

19. In a circuit-breaker, the combination with a fixed contact and a, cooperating movable contact, of a supporting frame for "said contact,

I connected to said frame, a coiled spring surrounding said pivot and connecting said holder and frame so as to hold said movable contact in a position to produce a wiping en gagement with the fixed contact when the supporting frame is moved to bring said contacts into engagement, means for insulating said'spring, and a conductor strip partially surroundin said spring and electrically connecting. sai frame and contact-holder,

20. In a circuit-breaker, the combination with fixed and movable main and shunt contacts, of a pivoted cramping frame, an operating lever journaled thereon, a toggle between-each of said movable contacts and said lever, and means toggles in succession to break the circuit.

21. In a circuit-breaker, the combination with fixed and movable main and shunt contacts, of a pivoted cramping frame, an operating lever journaled thereon, a toggle between each of said movable contacts and said lever, and operating means for said toggl'es whereby the position of the shunt toggle remains unchanged during ment of the. primarytoggle in breaking the circuit. 7.

22. In a circuit-breaker, the combination with fixed and movable main'and shunt contacts, 'of independent toggles for operating the movable contacts, a pivoted cramping frame, and an operating lever common to both toggles supported onsaid cramping frame.

23. In a circuit-breaker, the combination with fixed contacts, of cooperating main and shunt contacts both movable about the same center, independent toggles for operating the movable contacts, a pivoted cramping frame, and an operating lever common to both toggles supported on said cramping frame.

24. In a circuit-breaker, the combination with fixed main and shunt contacts, a cramps ring being a conduotorstripi with fixedmain and a holder for said contact ,pivotally' ing frame,

.for operating said the initial movesaid frame, .a main toggle wanking Within said frame-to set and-release saidbridging contact, a movable shunt contact, and operating. toggles therefor located out- 18. Infa circuit-breaker, the combination Iltdl 'zflr pivot} of a plurality. of contact-holders side of said cramping frame.

2-5. In a circuit-breaker, the-combination shunt contacts, a piv'oted cramping frame, a main bridging contact movable within said frame, a maintoggle working within said frame-to set and release said bridging contact, a movable shunt contact, an operating lever common main and shunt contacts, and a lost-motion connection'with said lever whereby the shunt contacts are kept bridging-contact has passed beyond arcing distance.

26.. In acircuit-breaker, the combination with fixed main and shunt contacts, a crampsupporting frame movable within said cramping frame, a main toggle working Within said cramping frame to set arid releasesaid bridging contact, a'movable shunt contact, a supporting frame therefor straddling said cramping frame, operating toggles therefor located without the cramping frame, and means comprising a common operating lever for successively operating said'toggles.

27. In a circuit-breaker, the combination with a fixed support and fixed and movable main and shunt contacts, of means for setting and releasing the main contacts includto both in engagement until the a main bridging contact and its 7 i I ing a rocking cramping frame pivoted to said fixed support, a supporting frame for the movable shunt contacts, and operating toggles for said shunt contacts-connected to'the said supporting frame so as to remain concentrically movable with the cramping frame during the initial separation of the main con- '28. In a 'circuit-breaker, the combination with fixed and movable main and shunt contact-s and a base, of a cramping frame pivoted to said'base, an operating lever journaled on said cramping frame, a main toggle for moving the main contacts into and out of engagement, a supporting framefor the shunt contact, and secondary-operating. toggles for said shunt contact supporting frame connected at one end concentrically with the connection between the operating lever and the cramping frame and connected at the other end to the supporting frame so as to make the movement of the toggles concentric with the cramping frame so long as the toggles remain unbroken.

- 29. In a circuit-breaker, the combination .of .fixed contacts, a pivotallysup ported bridging contact, and one or more shims for adjusting the position of said bridging con- .tact relative to its pivot.

30. Ina circuit-breaker, the combination with fixed and movable contacts,-a pivoted supporting frame for said movable contact, an operating lever, a toggle between said i lever and the movable contact for cramping said contact into engaging position, a latch I carried by said supportin frame, a ing near the end of said operating ever adapted to be 3 cram position," and means for tripping i said ate v 31. In a circuit-breaker, the combination with fixed and movable contacts, a pivoted supporting frame for said movable contact, an operating lever, a toggle between said lever and the movable contact for cramping 3 said contact into engaging position, a latch carried by said supporting frame, a lug near the end of said operating lever adapted to be engaged by said latch to hold the parts in cramping position, and means mounted on the base carrying the fixed contacts for tripping said latch.

32. ,In a circuit-breaker, the combination with a U-shaped magnet yoke, of an armature therefor pivoted at one end to one arm of said yoke, aweight of non-magnetic material fixed to said armature, and means for rdjusting the gap between said armature and yoke.

33. In a circuit-breaker, the combination with a U-shaped magnet yoke, of an armature therefor pivoted at one end to one arm of said yoke, a weight of non-magnetic ma K terial fixed to said armature with its greater mass adjacent to the free end of said armature, and means for adjusting the gap between'said armature and yo'ke.

"34:. In a circuit-breaker, the combination with fixed and movable main contacts, of fixed and movable shunt contacts each commetal and carbon contact blocks, clamping plates for clamping the carbon i block, and means for removably securing the metal block and the clamping plates in position.

35. In a circuit-breaker, a contact holder comprising a supporting plate, clamping plates bolted thereto, and means for drawing engaged by said latch to hold the parts in i said plates toward each other to clamp the contact in position.

36. In a circuit-breaker, thecombination with a contact comprising metal and carbon blocks, of a holder for said contact comprising a supporting plate, clamping plates, means for removabl Y securing said metal block and clamping plates to said supporting plate, and means for drawing said clamping -plates toward each other to clamp the carbon block. in position.

37. In a circuit-breaker, the combination with a carbon contact block recessed on its nonenga ging side, clamping plates provided with PIOJGCUOIIS extending into'the recesses and also provided with flanges for engaging the edges of said block, and means for (lrawing said plates toward each other so as to cause said flanges to grip said block to hold it in position.

38. In a circuit-breaker, the combination with a supporting frame, of a contact-holder pivoted thereto, a spring coiled about the pivot and connecting said holder and frame, a flexible conductor connecting said holder and frame, and an inclosing case for said pivot, spring and conductor to protect the same against injury.

In witness whereof, we have hereunto set our hands this 21st day of October, 1904.

EDVARD M. HENLETT. THEODORE E. BUTTON. Witnesses:

BENJAMIN B. HULL, HELEN ORFORD.

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