Questar Advertisements
Gregory Gross

Clavius and Tycho

First advertisement with updated all-caps “QUESTAR” logo. First advertisement appearing on inside front cover of Sky and Telescope magazine (July 1961).

Full Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, July 1961
Questar advertisement, Sky and Telescope, July 1961. Questar Corporation

Sky and Telescope, June 1961, 347.
Sky and Telescope, July 1961, IFC.