Questar Advertisements
Gregory Gross

Linhof Tripod Promotion

First appearance in an advertisement of the Linhof tripod.

Two Pages Vertical

Questar advertisement, <em>Sky and Telescope</em>, September 1956
Questar advertisement, Sky and Telescope, September 1956. Questar Corporation

Sky and Telescope, September 1956, 500-501.
Sky and Telescope, October 1956, 564-565.