1969

Centennial Oby 1969a

CENTENNIAL OBSERVATORY

93 Currie St.,
Hamilton 57, Ont.,
Canada

SEMI*ANNUAL REPORT
January-June 1969

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Sixty Years in Orbit

Sixty Years in Orbit, January 1969 special issue.

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O.C. to HSH 1969

Helen S. Hogg Awarded O.C. by GG Roland Michener 1969

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GA Group Photo - 1969

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