The Catalogue

Instruments · 1800-1834

Stopwatch / timer by Bellefontaine, England, 1800-1834

Science Museum Group, London

Instruments · 1806

Stopwatch / timer by Valentin Kammerer, Germany, 1806

German Clock Museum

Instruments · 1830-1840

Stopwatch / timer by Walsh of Newbury, England, 1830-1840

Science Museum Group, London

Instruments · 1888

Stopwatch / timer by Hipp, Matthias, Switzerland, 1888 (Science Museum Group 1889-38)

Science Museum Group, London

Instruments · 1888

Stopwatch / timer by Hipp, Matthias, Switzerland, 1888 (Science Museum Group 1889-38/1)

Science Museum Group, London

Instruments · 1920

Stopwatch / timer by A. Schlenker-Grusen, Germany, 1920

German Clock Museum

Instruments · 1930-1959

Stopwatch / timer by I.B.M. UK Ltd., England, 1930-1959

Science Museum Group, London

Instruments · 1939-1949

Stopwatch / timer by Horstmann Gear Co. Ltd. (maker), England, 1939-1949

Science Museum Group, London

Instruments · 1940-1974

Stopwatch / timer by Horstmann Gear Co. Ltd. (maker), England, 1940-1974

Science Museum Group, London

Instruments · 1940-1974

Stopwatch / timer by Horstmann Gear Co. Ltd., England, 1940-1974

Science Museum Group, London

Instruments · 1950-1959

Stopwatch / timer by Jackson Electric Stove Co. Ltd, England, 1950-1959

Science Museum Group, London

Instruments · 1960-1979

Stopwatch / timer by Omega, 1960-1979

Science Museum Group, London

Instruments · 1960-1979

Stopwatch / timer by Omega, Switzerland, 1960-1979

Science Museum Group, London

Instruments · 1970-1989 (estimated)

Stopwatch / timer by British Watch Timers Ltd., England, 1970-1989 (estimated)

Science Museum Group, London

Instruments · 1976-1979

Stopwatch / timer by Cronus Precision Products Inc., 1976-1979

Science Museum Group, London

Instruments · 1980

Stopwatch / timer by Adolf Hanhart, Germany, 1980

German Clock Museum

Instruments · 1988

Stopwatch / timer by Kieninger und Obergfell GmbH, Germany, 1988

Science Museum Group, London