Timekeepers
Subtitle: (clocks, watches, sundials, sand-glasses).
Series: A Science Museum illustrated booklet
Publisher: H.M. Stationery Of.; (obtainable in the U.S. from the British Information Service, New York)
Published: 1963
Place of publication: London
Language: eng
Number of pages: 20
Subjects: Science Museum (Great Britain).; Time measurements.; Clocks and watches -- History.; Sundials.; Chronometer.