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Surplus Camera Gear

High Contrast Developer Formula D-19 - Free Download

$0.00

High Contrast Developer Formula D-19 - Free Download

$0.00
SKU:
D-19
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Product Description

[Formula D-19] High Contrast Developer

For Wratten “M,” Metallographic and Spectroscopic Plates
   
Avoirdupois
Metric
 
Water (about 125° F.) (52° C.)
64 ounces
2 liters
 
Elon
128 grains
8.8 grams
 
Sodium Sulphite, desiccated (E.K.Co.)
12 ounces 360 grains
384.0 grams
 
Hydroquinone
1 ounce 75 grains
35.2 grams
 
Sodium Carbonate, desiccated (E.K.Co.)
6 ounces 180 grains
192.0 grams
 
Potassium Bromide
300 grains
20.0 grams
 
Cold water to make
1 gallon
4.0 liter
 

Use without dilution.

Times of development are given on the factor card packed with each box of plates.

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