Pendulum clock designed by Galileo in 1642 and made by his son in 1649, model. 1642-1649 (original); 1883 (model)
Original eight day clock by Harrison, date 1715, wheel work mostly of wood, weight driven Weight driven pendulum clock 1715
A To 4-glass electric pendulum clock with mechanical contacts, c.1929, with battery A To 4-glass electric pendulum clock with mechanical contacts
"High Movement" master clock by the Telephone Manufacturing Co. c.1950 "High Movement" master clock 1950
Modern synchronome master-clock with built-in dial movement and Shortt synchroniser Modern synchronome master-clock
Synchronome free pendulum clock, in oak case, by The Synchronome Company Limited, London, England Synchronome free pendulum clock
Shortt free pendulum clock, designed by William Hamilton Shortt and made by the Synchronome Company Ltd., 32 and 34 Clerkenwell Road, London, EC, England, c. 1920-1940. Shortt free pendulum clock 1920-1940
Reproduction of Huygens clock movement (from "Horologium Oscillatorium" 1673) with brass seconds dial and additional minutes dial and seconds dial Reproduction of Huygens clock movement 1927