Toning Blue on Bromide and Platinum

  After some experimenting to secure a blue tone on bromide prints, a correspondent of the Photographic Times produced a very pleasing bluish green tint by immersing the prints in a solution composed of 30 gr. of ferricyanide of potash, 30 gr. citrate of iron and ammonia, 1/2 oz. acetic acid and 4 oz. of water.

After securing the tint desired, remove the prints, rinse them in clean water for a few minutes, and then place them in a dilute solution of hydrochloric acid.

Wash the prints thoroughly and hang them up with
clips to dry.

     Listing # 090
 



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Reynolds Trading,
21-22 Main Street,
Ballyshannon,
Co. Donegal,
Ireland.