Brackin, A J.
Clocks : chronicling time / by A.J. Brackin. - San Diego, CA : Lucent, 1991. - 96 p. : ill. - The Encyclopedia of discovery and invention .
Includes bibliographical references.
Examines early concepts of time; describes devices for measuring time and their improvement; and discusses how measured time has shaped our concepts of work and leisure.
1560062088
91016713
Clocks and watches.
Time.
681.1
Clocks : chronicling time / by A.J. Brackin. - San Diego, CA : Lucent, 1991. - 96 p. : ill. - The Encyclopedia of discovery and invention .
Includes bibliographical references.
Examines early concepts of time; describes devices for measuring time and their improvement; and discusses how measured time has shaped our concepts of work and leisure.
1560062088
91016713
Clocks and watches.
Time.
681.1