MORTENSEN PIGMENT PROCESS NOTES

Inscription on left:
Hot press -- O one coat, 6 drops to 1-1/2.

Inscription on right:
1 to 3 oz. Gel. heat to 120 °
Immediately apply with small
nylon brush as usual. Add 3
drops formaldehyde to each 1-1/2 oz.
gelatin. Sweep with large
nylon until total matt is obtained.
Note: This will work only
on 140-3-Hot Press paper.

Courtesy of the Robert Balcomb Collection

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