US53803A - Improvement in musical instruments - Google Patents

Improvement in musical instruments Download PDF


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US53803A US53803DA US53803A US 53803 A US53803 A US 53803A US 53803D A US53803D A US 53803DA US 53803 A US53803 A US 53803A
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    • G10B3/00Details or accessories
    • G10B3/18Tremolo-producing devices


Specification forming part of Letters Patent No. 53,803, dated April 10, 1866.
To all lwhom t't' may concern Be it known that we, JOSEPH FOSTER and EPHRAIM FOSTER, of Keene, in the county otl Cheshire and State of New Hampshire, have invented a new and useful Improvement in Musical Instruments; and we do hereby de clare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming a part of this specification, in which- Figure l is a front view ot' a portion of a reed-board, showin g the openings for the reeds of a melodeon, the swell being' thrown up. Fig'. 2 is a sectional view on the line g/ of Fig. l. Fig. 3 is an under-side view ot' a portion of a reed-board of a melodeon with our improvement applied. Fig. 4 is a sectional view on the line .r of Fig. l.
Similar letters ot` reference indicate like parts.
This improvement consists iu applying a large reed to reed-instruments or pipe-organs for the purpose ot' producing a tremolo tone. It may be applied in different ways, and its vibration is to be so slow as not to produce a musical tone. In reed-instruments of the class of melodeons and cabinet-organs it may beinserted in the reed-board as other reeds are inserted and used with the swell closed, when it will put the air 1n motion, both outside and inside the reeds and reed-board, and so produce the tremolo tone; or it may be placed inside ofthe wind-box with the swell open or closed. It may be used with one or more sets ot' reeds, as may be desired. A register should be provided to govern the access of the air to the reed.
In applying' our invention to pipe-organs it maybe attached to the side of the conductingpipe, between the bellows and wind-box, with an air-passage through the sides ot' the couducting-pipe sufticient to put the reed in motion, which will cause the air inside ofthe conducting-pipe to be vibrated so as to produce a tremolo. In all cases it is to be used with a valve and register.
In this illustration we have shown our invention applied to the reed-board ot' a melodeon.
A is a section ot' a reed-board, and the letters B designate several of the common reeds, made and inserted in the usual manner, the
places ofthe valves to which they are applied l being seen in the front view, Fig. l, and in the under-side view, Fig. 3.
The valve for the tremolo is seen on the lefthand end of the section of the reedboard here shown, and corresponds in size to the increased size of its reed over the common reeds.
The tremolo-reed is designated by the letter C, and it is loaded with a weight, D, to cause its vibrations to be slow. Its valve is to be opened by a rod or other convenient device passing down through the block or reedboard, and is to be connected with a register in the ordinary way. The reed O for the tremolo is inserted in the reedboard in the same manner as the common reeds.
When two sets otl reeds are used in an instrument the reed-board is increased in width and the second set of reeds put on the opposite side from the first set, with a swell-board, the same as above shown, at E, au opening being' made through the other side of the board opposite the place where the tremolorced is inserted, which will make a tremolo for both sets ot' reeds.
Vhen an instrument is to be played without the tremolo its valve is kept closed, and when the tremolo is to be introduced its valve is opened, when it will be made to vibrate with moreA or less rapidity. according to its size and the weight of its load I) and the en crgy with which the currents of air move. All the air in the wind-box, as well as that which has by the vibration ofthe tremolo-reed, and cousequently all the notes played while the tremolo-valve is open will be tremolo notes, the harmony being preserved, since the tremoloreed, in consequence of its construction, is vibrated so slow as not to produce a distinct musical tone, but onlyputting the whole volume of air on both sides ot' the reed-board in slow vibration.
We claim as new and Letters Patent- The tremolo-reed C, constructed as above shown, and applied to musical instruments, substantially as described, to produce a tremolo tone for all the notes which are played while the tremolo-reed is operated.
desire to secure by TVitnesses SAMUEL WooDwARD, LUTHER W. FELT.
passed the reeds, will be agitated
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110061835A1 (en) * 2008-02-29 2011-03-17 Snecma Heat exchanger system
US11024268B1 (en) 2019-09-10 2021-06-01 Kenneth Burton Best Pipe organ tremulant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110061835A1 (en) * 2008-02-29 2011-03-17 Snecma Heat exchanger system
US11024268B1 (en) 2019-09-10 2021-06-01 Kenneth Burton Best Pipe organ tremulant

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