The Dictionary Of Photography

A True Historic Record Of The Art & Practice Of Photography 100 Years Ago.

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Gelatino-Chloride
VII. Solution A.
Chloride of gold Distilled water
Solution B.
15 grs.
3
ozs.
1
oz.
25
ozs.
2
N
2
drms
10
ozs.
1
oz.
Acetate of soda ......
Distilled water ... ... .....,
Solution A ... ...... .....
Solution C. Ammonium sulphocyanide...
Distilled water ......
Solution A .«.
For use add 3 parts of Solution C to 10 parts Solution B. This gives fine brown or black tones. Reddish brown tones maybe obtained by adding to Solution C 10 to 15 grs. hypo-sulphite of soda.
VIII. The following is a toning bath which Mr. Bruce, of Duns, a famous collodio-chloride printer, recommended : -
Solution A.
Ammonium sulphocyanide...        ... ...      10 drms.
Hyposulphite of soda         ...        ... ... 9 grs.
Distilled water ... ...        ......      60 ozs.
Solution B.
Chloride of gold ...... ...... 22 grs.
Distilled water ... ... ... ... 60 ozs.
Add one part of B to an equal quantity of A, and add a good-sized pinch of common chalk, and allow to stand for twenty-four hours
IX.
The following is suggested by Mr.  Tylar : -
Chloride of gold ............        6 grs.
Tungstate of soda ... ...        ... ...      60 ,,
Ammonium sulphocyanide...        ... ...    100 ..
Hyposulphite of soda ...        ... ...    960 ..
Distilled water, to make ...        ... ...        8 ozs.
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