Patent Model - Improved Piano-Stool

Maker and role
James Bramble, Patentee
Hugh Deihl, Patentee
Production date
Mar 31 1868
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Object detail

Wood, brass
11 1/8 x 6 5/8 x 7 7/8" (28.3 x 16.8 x 20cm)
Bramble and Deihl's patent "consists in the application of the principle of hydrostatics for elevating or lowering the seat of a piano-stool, whereby the performer may be raised or lowered on the seat, without rising from it, by the action of the foot..." (Patent Number 76,044)

This patent was reissued on June 25, 1878. Bramble and Deihl assigned their rights to John F. Paret of Washington, D.C. who assigned his right to Samuel S. White of Philadelphia who was a major manufacturer of dental tools and machinery. (Reissue patent number 8,294)
Object number
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