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Temp. Schematic Description 1 First developer (FD) Bath 1 6:15 to 6:45: 100 ± 0.5 °F (37.8 ± 0.3 °C) The first developer bath is a black & white film developer, which forms a negative silver image in each layer of the film. The first developer is time and temperature sensitive because it controls contrast.
The ANSI Z535 standards are administered and published by the National Electrical Manufacturers Association (NEMA), an association of member companies that manufacture a diverse set of products including power transmission and distribution equipment, lighting systems, factory automation and control systems, and medical diagnostic imaging ...