Originally Posted by Pixal8
By coincidence it was I who invented the Pre-Soak Temperature Calculator for the Paterson Orbital Processor in the 1970s when I worked for Paterson.
It's a great design. A lot of us use them for 5x4 and 10 x 8 negatives now. I know they were intended for prints but were negatives ever a consideration when it was being designed?
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