John Paterson data sheet for FX39 + FP4Plus says 6min@20degreesC for G-bar 0.57 (starting point for 35mm) and 8.5mins. for G-bar 0.7 (e.g. clod cathode enlarger)
Paterson data sheet for FX39 + FP4Plus says 6min@20degreesC for G-bar 0.57 (starting point for 35mm) and 8.5mins. for G-bar 0.7 (e.g. clod cathode enlarger)
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