Kodak No. 2 Folding Pocket Brownie - PART VII: Formulae and Troubleshooting; Developing and Fixing Formulas

PART VII
Formulae
Developer for Brownie Developing Box . Use
the following for six minute development:
Pyro .................... ... .................................... 10 grains
Sulphite of Soda, desiccated .................. .. 20 grains
Carbonate of Soda, desiccated: ... ...... ........ 20 grains
Water ................................. .. ..... .. ... ............ 12 ounces
Developer for Brownie Film Tank. Use the
following for twenty minute development:
Pyro .. .... ...... .. .................... .. ..... ... ....... .. ....... 10 grains
Sulphite of Soda, desic cated ..................... 20 grains
Carbonate of Soda, desiccated ................. 20 grains
Dissolve the chemicals in order named in five
or six ounces of luke warm water, then add cold
water to fill tank to embossed ring.
Temperature of Developer 65o Fahr. for either
Box or Tank. This is very important.
Acid Fixing Bath
Eastman N. C. Film must always be fixed in
an Acid Fixing Bath.
There is nothing superior to the Kodak Acid
Fixing Powders, but the following formula may
be used if desired:
Water .......................................................... 16 ounces
Hypo Sulphite of Soda ........................... ... 4 ounces
Sulphite of Soda, desi c cated ............ ....... .. ;{ ounce
When fully dissolved add the following , hard·
en . er:
Powdered Alum ......... ..... .......... ....................... Y, oz.
Citric A~id .......... ... .................... ............ ...... .. . Ys oz.
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