Cer-Vit and Broadband

First appearance of Cer-Vit mirrors in an advertisement. First appearance in an advertisement of an updated leather carrying case that replaced the original English leather case (March 1968).

1 Page Vertical

Questar advertisement, <em>Sky and Telescope</em>, April 1968 — Questar advertisement, *Sky and Telescope*, April 1968. Questar Corporation

Sky and Telescope, February 1968, IFC.
Sky and Telescope, April 1968, IFC.

2/3rds Page Vertical

Questar advertisement, <em>Scientific American</em>, March 1968 — Questar advertisement, *Scientific American*, March 1968. Questar Corporation

Natural History, March 1968, 10.
Scientific American, March 1968, 134.
Natural History, April 1968, 10.
Scientific American, April 1968, 137.
Modern Photography, April 1968, 14.
Modern Photography, May 1968, 8.
Scientific American, July 1968, 127.
Natural History, August-September 1968, 65.
Modern Photography, August 1968, 20.
Modern Photography, December 1968, 12.
Scientific American, March 1969, 52.
Modern Photography, April 1969, 14.
Modern Photography, May 1969, 44.