Questar Advertisements
Gregory Gross

Tremendous Magnification

First advertisement appearing on inside front cover of Natural History magazine (February 1960).

Full Page Vertical

Questar advertisement, <em>Natural History</em>, March 1960
Questar advertisement, Natural History, March 1960. Questar Corporation via archive.org

Natural History, January 1960, 60.
Natural History, February 1960, IFC.
Natural History, March 1960, 51.