This is Questar

First appearance in an advertisement of the cut-away Questar illustration.

1 Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, December 1963 — Questar advertisement, *Sky and Telescope*, December 1963. Questar Corporation

Sky and Telescope, December 1963, IFC.
Sky and Telescope, January 1964, IFC.
Sky and Telescope, June 1964, IFC.
Sky and Telescope, July 1964, IFC.

2/3rds Page Vertical

Questar advertisement, <em>Natural History</em>, August-September 1964 — Questar advertisement, *Natural History*, August-September 1964. Questar Corporation

Scientific American, July 1964, 123.
Natural History, August-September 1964, 59.
Modern Photography, August 1964, 21.