The beginning of the long dash : a history of timekeeping in Canada /
Thomson, Malcolm M., 1908-
The beginning of the long dash : a history of timekeeping in Canada / Malcolm M. Thomson. - [First edition]. - xvii, 190 pages, 24 unnumbered leaves of plates : illustrations ; 24 cm
Includes bibliographical references (pages 179-183) and index.
The origin of astronomical timekeeping -- Integrating the time services -- The rise of the Dominion Observatory -- The evolution of astronomical techniques -- From pendulums to masers : clocks of the Time Service -- Radio time signals.
0802053831 9780802053831
78317580
770015905 can
(AMICUS)000000016984
Time--Systems and standards--Canada.
Time--Systems and standards.
Time--Systems and standards.
Canada.
History Timekeeping time
The beginning of the long dash : a history of timekeeping in Canada / Malcolm M. Thomson. - [First edition]. - xvii, 190 pages, 24 unnumbered leaves of plates : illustrations ; 24 cm
Includes bibliographical references (pages 179-183) and index.
The origin of astronomical timekeeping -- Integrating the time services -- The rise of the Dominion Observatory -- The evolution of astronomical techniques -- From pendulums to masers : clocks of the Time Service -- Radio time signals.
0802053831 9780802053831
78317580
770015905 can
(AMICUS)000000016984
Time--Systems and standards--Canada.
Time--Systems and standards.
Time--Systems and standards.
Canada.
History Timekeeping time