This section is from the "Henley's Twentieth Century Formulas Recipes Processes" encyclopedia, by Norman W. Henley and others.
One solution.
Water............. 10 ounces
Sulphide of sodium, crystals.......... 4 ounces
Carbonate of potassium ............ 3 ounces
Adurol............ 0.5 ounce
For studio work and snap shots take 1 part with 3 parts water.
For time exposures out-door take 1 part with 5 parts water.
Hot water......... 10 ounces
Sulphite of sodium, crystals.......... 1.25 ounces
Carbonate of sodium 0.25 ounce Glycin............ 0.5 ounce
Add to water in order given.
Water............. 10 ounces
Carbonate of potash 1.25 ounces For normal exposure take I, 1 ounce; II, 2 ounces; water, 1 ounce.
Hot water........ 9 ounces
Sulphite of sodium, crystals......... 385 grains
Imogen.......... 123 grains
Hot water......... 4.5 ounces
Carbonate of sodium 2 ounces For use take 2 ounces of I and 1 ounce of II.
Water............. 9 ounces
Sulphite of sodium.. 3.5 ounces
Diogen............ 7 drachms
Carbonate of potassium............ 4.5 ounces
For normal exposure take 4 drachms of this solution; dilute with 2 ounces, 1 drachm of water, and add 2 drops bromide of potassium, 10 per cent solution.
Formula by Pent-large.
Water............. 1 ounce
Metabisulphite of
potassium....... 4 grains
Ortol............. 8 grains
Water............. 1 ounce
Sulphite of sodium.. 48 grains Carbonate of potassium............ 16 grains
Carbonate of sodium 32 grains For use take equal parts I and II, and an equal bulk of water.
Metacarbol....... 25 grains
Sulphite of soda,
crystals......... 100 grains
Caustic soda...... 50 grains
Water............ 10 ounces
Dissolve the metacarbol in water, then add the sulphite, and when dissolved add the caustic soda and filter.
 
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