Questar... the Priceless Telescope

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Questar advertisement, <em>Sky and Telescope</em>, March 1985 — Questar advertisement, *Sky and Telescope*, March 1985. Questar Corporation

Sky and Telescope, November 1984, IFC.
Sky and Telescope, December 1984, IFC.
Sky and Telescope, March 1985, IFC.
Sky and Telescope, February 1986, IFC.
Sky and Telescope, May 1986, IFC.
Sky and Telescope, December 1986, IFC.
Sky and Telescope, October 1988, IFC.
Sky and Telescope, July 1989, IFC.
Sky and Telescope, July 1990, IFC.
Sky and Telescope, February 1991, IFC.

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Questar advertisement, <em>Scientific American</em>, May 1985 — Questar advertisement, *Scientific American*, May 1985. Questar Corporation

Scientific American, November 1984, 169.
Scientific American, December 1984, 139.
Scientific American, February 1985, 127.
Scientific American, May 1985, 84.
Scientific American, November 1985, 42.
Scientific American, May 1986, 6.
Scientific American, December 1986, 130.

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Questar advertisement, <em>Scientific American</em>, February 1989 — Questar advertisement, *Scientific American*, February 1989. Questar Corporation

Scientific American, October 1988, 26.
Scientific American, November 1988, 9.
Scientific American, February 1989, 69.
Scientific American, July 1989, 59.
Scientific American, August 1990, 113.