The Photographic News: A Weekly Record of the Progress of Photography, Volume 40Cassell, Petter, and Galpin, 1896 |
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Page 69
... Sulphocyanide of ammonium Chloroplatinite of potassium . Chloride of gold Water 30 grains . grain . 2 grains . 16 ounces . The sulphocyanide is to be mixed with the water , the platinum added , then the gold . Using the solution ...
... Sulphocyanide of ammonium Chloroplatinite of potassium . Chloride of gold Water 30 grains . grain . 2 grains . 16 ounces . The sulphocyanide is to be mixed with the water , the platinum added , then the gold . Using the solution ...
Page 269
... Sulphocyanide Toning .- " How should stock solutions of sulphocyanide of gold be made ? " W. B. - Dissolve 1 oz . of sulphocyanide in water to make 3 ozs . 5 drachms . Dissolve the 15 grs . gold chloride in distilled water 15 drachms ...
... Sulphocyanide Toning .- " How should stock solutions of sulphocyanide of gold be made ? " W. B. - Dissolve 1 oz . of sulphocyanide in water to make 3 ozs . 5 drachms . Dissolve the 15 grs . gold chloride in distilled water 15 drachms ...
Page 814
... sulphocyanide bath , these are not difficult to attain ; but try the following Sulphocyanide of ammonia , 20 grs . Dissolve in water , oz . , and heat nearly to boiling point , and add in small quantities , about 30 minims at a time , 3 ...
... sulphocyanide bath , these are not difficult to attain ; but try the following Sulphocyanide of ammonia , 20 grs . Dissolve in water , oz . , and heat nearly to boiling point , and add in small quantities , about 30 minims at a time , 3 ...
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acid amateur photographers amidol ammonia aperture apparatus bath bromide paper carbon cent chloride chrome alum citric acid colour competition dark room dark slide developer dish distance drachm edge Editor eikonogen enlarging exhibition exposed exposure film fixed focus frame front gelatine give grains graphers grooves ground glass half-plate hand camera hydroquinone hypo inches interest lamp landscape lantern slides lens lenses light lines London matter Messrs method metol mount necessary negative object obtained ordinary ounce Photographic Society picture piece plate platinotype portrait possible potassium potassium bromide practical prize pyro quarter-plate rabbet rapid rectilinear rays readers rectilinear lens retouching round screw shutter side silver slot soda sodium sulphite solution stereoscopic sulphite sulphocyanide taken Thornton-Pickard tion toning tube varnish washing week wood yellow