![DEFENDER GELATIN LIGHT FILTERS.; [cover title]. Inc Defender Photo Supply Company.](https://www.cahanbooks.com/pictures/medium/29982.jpeg?v=1603820525)
DEFENDER GELATIN LIGHT FILTERS.; [cover title].
Rochester: Defender Photo Supply Company, [ca. 1935]. 8vo., 8 pp. Printed stiff wrappers. Very good. Item #29982
Technical description of gelatin light filters; includes prices.
Price: $35.00
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