Questar Advertisements

Portable Observatory with Photo of Moon

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Questar advertisement, <em>Scientific American</em>, November 1969
Questar advertisement, Scientific American, November 1969. Questar Corporation

Scientific American, November 1969, 137.
Natural History, December 1969, 18.
Scientific American, December 1969, 49.
Natural History, January 1970, 107.
Modern Photography, January 1970, 108.
Modern Photography, February 1970, 22.
Natural History, June-July 1970, 10.
Scientific American, July 1970, 7.
Modern Photography, July 1970, 56.
Natural History, April 1971, 79.