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American Ogee wall clock by Jerome with accompanying key, bob and weight.

American Ogee wall clock by Jerome with accompanying key

Master Time Clock for checking frequency of, output of GLEEP Reactor: `Pul-syn-etic' electric impulse clock in mahogany case. Made by Gent & Co. Ltd, Faraday Works, Leicester, c.1948. With instruction leaflet 246c

Master Time Clock for checking frequency of

1945-1950

Mantlepiece clock, c.1930

Mantlepiece clock, c.1930

1930

Early electric clock by Wheatstone with base and small part. (Originally part of Inv.No. 1923-278, see ScM.7/636/1)

Early electric clock by Wheatstone with base and small part

Pair of synchronous clocks, one for 60 Hz mains and the other for 50 Hz mains

Pair of synchronous clocks

Electric parent clock by C. Bohmeyer, with one companion dial, weights, 3 hands and a key (2 decorative portions of case of parent clock missing)

Electric parent clock by C. Bohmeyer

Example of the Meath-Bowell clock with zero escapement plus dial plate, pendulum and glass dome

Example of the Meath-Bowell clock with zero escapement plus dial plate

Parent clock and companion dial by the Silent Electric Clock Co., patented 1912. Numbers on dial repainted

Parent clock and companion dial by the Silent Electric Clock Co.

Top of pendulum suspension from the Synchronome parent clock, by The Synchronome Company Limited, London, England

Top of pendulum suspension from the Synchronome clock

Pneumatic parent clock by Collin, 118 rue Monmartre, Paris, France, with two pneumatic companion movements. Also fitted with two electric contacts, one for operating electric companion dials and the other for synchronising clocks at hourly intervals

Pneumatic parent clock by Collin

Von Sterneck pendulum apparatus sidereal clock, 1900, by Strasser and Rohde

Von Sterneck pendulum apparatus sidereal clock

1900

Observatory clock by Victor Kullberg, no.6860

Observatory clock by Victor Kullberg, no.6860

Original master clock from the Royal Aircraft Factory. Said to be made in the RAF workshops.

Original master clock from the Royal Aircraft Factory

Standard Royal Air Force wall clock.

Standard Royal Air Force wall clock.

Astronomical Clock, English, second half of 18th century

Astronomical Clock

Friesland stoelklok, mid 19th century, alarm mechanism, missing (783-1940)

Friesland stoelklok

Mechanical Regulator known as 'W5', with a 'free' pendulum and a slave pendulum, which oscillate at different frequencies. The clock reproduces the principles of the Short Free Pendulum Clock without the use of electricity.

Mechanical Regulator

1984

Station clock, "Edward Glasgow Pulsynetic". White, metal frame, Roman face.

Station clock