T. Cooke & Sons, York & London, Astronomical Regulator

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.

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Condition Report: In running condition.