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Graphic Design On The Staromat, Bruce Weinstein
Image Spread Characteristics Of Vesicular Films, Ira Long, Alan Turner
Image Spread Characteristics Of Vesicular Films, Ira Long, Alan Turner
Theses
An altered Bausch and Lomb metallograph, in conjunction with a 150 watt high-pressure Xenon-arc lamp, was used to image 50µm uniformly illuminated round spots on several vesicular emulsions and a silver emulsion to determine image spread characteristics with increasing exposure times. Vesicular films tested include Kalvar Types 16, 143, 163, and 164, a sample of Xidex Blue and a high resolution aerial film. It was found in all cases that image spread was more profound in vesicular films than in the silver film tested. It was also found that ten minute and twenty minute periods of time between exposure and …
Landscapes In Gum, Barbara Johnson