20x24/light
By: [introduction, Peter MacGill ; essay, Gary Metz ; afterword, JoAnn Verburg]
Contributors: Light Gallery; Philadelphia College of Art; Polaroid Corporation
Publisher: Light Gallery
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 24
Subjects: Instant photography; Exhibitions
Other titles: Twenty by twenty-four/light.; 20 x 24/light
Notes: Cover title.

"The exhibition ... orginated at Light Gallery in October 1979. This catalog is published on the occasion of the beginning of a one and a half year international tour, starting at the Philadelphia College of Art" -- p. [2] of cover.

Photographs made at the offices of the Polaroid Corp., Cambridge, Mass.