The American annual of photography . Figure 2. The negative is washed until perfectly free from hypo, orif dry is soaked in running water for fifteen minutes. It isthen placed in the following solution:— Copper sulphate 3 grammes Potassium bromide 3 grammes Water 250 cc. which is allowed to act until the highest lights of the negativeare white when viewed from the back. It is then washed for fifteen minutes and developed in M-0,or a similar developer, until only the highest lights remainwhite as viewed from the back. The negative is then rinsed and placed in hypo 25%, whereit is allowed to rem
The American annual of photography . Figure 2. The negative is washed until perfectly free from hypo, orif dry is soaked in running water for fifteen minutes. It isthen placed in the following solution:— Copper sulphate 3 grammes Potassium bromide 3 grammes Water 250 cc. which is allowed to act until the highest lights of the negativeare white when viewed from the back. It is then washed for fifteen minutes and developed in M-0,or a similar developer, until only the highest lights remainwhite as viewed from the back. The negative is then rinsed and placed in hypo 25%, whereit is allowed to remain until thoroughly fixed, then washed foran hour and dried. 51 • - . The main points to which careful attention should be givenare that the bleaching should be thorough, and that develop-ment must be stopped at the point when the shadows are fullydeveloped and the high lights not yet fully developed as shownby their whiteness as viewed from the back. If by inspection, or on making a print, it is found that thevalues need still
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1919
