Incomparable Questar Seven

1 Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, February 1979 — Questar advertisement, *Sky and Telescope*, February 1979. Questar Corporation

Sky and Telescope, January 1979, IFC.
Sky and Telescope, February 1979, IFC.
Sky and Telescope, June 1979, IFC.
Sky and Telescope, December 1979, IFC.
Sky and Telescope, May 1980, IFC.
Sky and Telescope, May 1981, IFC.
Astronomy, May 1981, 43.
Astronomy, June 1981, 38.
Astronomy, October 1981, 27.
Sky and Telescope, December 1981, IFC.
Astronomy, December 1981, 75.
Astronomy, March 1982, 23.
Sky and Telescope, April 1982, IFC.
Astronomy, August 1982, 23.

2/3rds Page Vertical

Questar advertisement, <em>Scientific American</em>, March 1979 — Questar advertisement, *Scientific American*, March 1979. Questar Corporation via jstor.org

Scientific American, February 1979, 71.
Scientific American, March 1979, 40.
Scientific American, August 1979, 195.
Scientific American, January 1980, 26.
Scientific American, February 1981, 175.
Scientific American, May 1981, 183.
Scientific American, November 1981, 90.