710
710
A.H. Potter, A silver hunting cased one minute tourbillon watch with an inclined balance, circa 1860
Estimate
4,0006,000
LOT SOLD. 45,000 USD
JUMP TO LOT
710
A.H. Potter, A silver hunting cased one minute tourbillon watch with an inclined balance, circa 1860
Estimate
4,0006,000
LOT SOLD. 45,000 USD
JUMP TO LOT

Details & Cataloguing

Masterpieces from the Time Museum

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New York

A.H. Potter, A silver hunting cased one minute tourbillon watch with an inclined balance, circa 1860
gilt lever movement, 9 jewels, one minute tourbillon carriage with inclined bi-metallic compensation balance, blued steel Breguet hairspring, glazed cuvette, white enamel dial, roman numerals, subsidiary seconds, engine-turned case, dial and movement signed, barrel bridge inscribed Reed's Patent Nov. 24 1857.
diameter 54mm
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Provenance

Time Museum Inventory No. 2291

Literature

Randall, cat. no. 135

Catalogue Note

The present watch features a standard movement of the Howard Watch Company which was fitted with a one minute tourbillon by A.H. Potter, possibly representing the famed Albert Potter.  This example displays Potter's original solution to the problem of changes in frictional dissipation by having the plane of the balance inclined 25% to the plane of the tourbillon.

For another tourbillon watch with inclined balance see R. Walter Prendel, "An Interesting Tourbillon", in the NAWCC Bulletin, 3 (1949), pp. 636-637.

Masterpieces from the Time Museum

|
New York