Item is a paper card with an exposure calculator dial, published by Eastman Kodak to calculate the exposure time for Kodak film while using flash lamps.

Item is a paper card with an exposure calculator dial, published by Eastman Kodak to calculate the exposure time for Kodak film while photographing outdoors during different lighting conditions. Originally sold for 10 cents.

Series contains examples of images created with the diffusion transfer process, for instant photographs.