Armed Forces Developer #4 (High Contrast)

Armed Forces Developer #4 (High Contrast)

  1. Gerald Koch
    Armed Forces Developer #4

    This is a high contrast developer for aerial films and for other low-contrast situations.

    Distilled water (50°C) ................. 750 ml
    Sodium sulfite (anhy) .................. 25.0 g
    Hydroquinone...
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