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T. Cooke & Sons, York & London, Astronomical Regulator with Seven-legged Gravity Escapement and Showing Mean and Sidereal Time

T. Cooke & Sons, York & London, Astronomical  Regulator with Seven-legged Gravity Escapement and  Showing Mean and Sidereal TimeT. Cooke & Sons, York & London, Astronomical  Regulator with Seven-legged Gravity Escapement and  Showing Mean and Sidereal Time

Hammer Price w/ BP

$54,000

Lot #: 35
T. Cooke & Sons, York & London, Astronomical Regulator with Seven-legged Gravity Escapement and Showing Mean and Sidereal Time

19th century, mahogany, brass, glass case. With silvered 13 in. dial, signed T. Cooke & Sons York & London, with subsidiary seconds mean time ring with hour and minute hand, the center sweep hand indicating sidereal minutes, rare seven-legged gravity escapement, great wheel, weight driven movement.

Ht. 76 1/2 in.
Provenance
The Norman Lockyer Observatory Corporation, The Hill Observatory, Salcombe Regis, Sidmouth Devon.
Jim Cipra, Horological Consultant, Long Beach, California.
The collection of Dr. William Thomas, Naples, Florida.
Condition
In running condition.
Auction Date
Mar 31, 2023

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