DAY AND NIGHT CLOCK Christtoff LehMan Kopenhagen Ca. 1690 Danmark

Renaissance clocks


Signed: Christtoff LehMan Kopenhagen
Circa 1690

The spring-driven, day-going movement is constructed between plates, connected by shaped pillars. It consists of going and striking trains, as well as alarm. The going train has a fusee and verge escapement with a hairspring balance and regulation, situated on the backplate. The bell striking is regulated by a numbered external countwheel. The bell is mounted on the backdoor. The clock is wound from the rear side. The maker has signed the movement on the backplate: Christtoff LehMan Kopenhagen.

The gilt-brass front is elaborately engraved depicting a crown and a monogram with scroll leaf motifs. Above the middle is a silver champlevé chapter ring with Roman numerals I-XII, half-hour and quarter-hour divisions. The time is indicated by a single pierced blued-steel hand, which is attached to the Arabic gilt-brass alarm disc. The alarm is set by turning a blued-steel alarm hand. The chapter ring is surmounted by an aperture, behind which a pierced hour disc revolves. A light or candle behind this aperture would show the time in the dark.

The sides of the unusual arched rectangular brass case are covered with tortoise shell with brass line inlays. There are pierced sound frets to the sides. In the arch is a tray for an oil lamp. Above this is aperture to release the heat. The case is surmounted by a blued-steel carrying handle and rests on a moulded line-inlaid tortoise-shell covered base.

Duration 24 hours.

Height 18 cm
Width 12.5 cm
Depth 8.5 cm

– Brian Loomes, Watchmakers and Clockmakers of the World, London, 2006, p.475.

The maker
Christopher Lehmann was active as a clockmaker in the Pilestraede around 1690.

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