Seth Thomas Office Model No. 1

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A Rare Lewis No. 3 Regulator
Perpetual Calendar Clock

This is an example of an early American perpetual calendar clock (circa 1867 - 1868). It features an eight-day weight-driven movement in the "upside down" configuration with a deadbeat escapement created by Solomon C. Spring, Bristol, CT, with
patented Joseph Ives "rolling pinions."

The calendar mechanism was produced by Benjamin B. Lewis (inventor and patent holder) for L.F. and W.W. Carter (retailers), all of Bristol, CT. The case is rosewood veneer with the original grain painted rosewood finish applied to the upper door and calendar door intact. Finish on the remainder of the case is old but was refreshed.

(Item #WD-1)

(42" H x 18" W x 5" D,
12" diameter time dial,
8" diameter calendar dial,
ca. 1867 - 1868)

Price: $2,200


(detail of the upper movement)	(Lewis patent label, calendar door)
*(L.F. and W.W. Carter label)*
Case and movements are original as are the dials, hands, weights, pendulum, and clock papers. Some restoration was done to the black flocked paper on the backboard. Lower door was rebuilt from the original and has an appropriate, but replacement, lock. However, the calendar door lock is original.