A slight over-exposure may be corrected by the usual addition of a few drops to the ounce of developer of a 10-per-cent solution of bromide of potass, but ...
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다운로드다국어 초록 (Multilingual Abstract)
A slight over-exposure may be corrected by the usual addition of a few drops to the ounce of developer of a 10-per-cent solution of bromide of potass, but ...
A slight over-exposure may be corrected by the usual addition of a few drops to the ounce of developer of a 10-per-cent solution of bromide of potass, but with excessive over-exposure a citrate is preferred. It might be supposed that either the citrate of ammonia or soda could be used, but recent experiments have taught me that ammonia citrate should be chosen only when ammonia is the alkali used in the developer, for if used in connection with potash or soda, free ammonia is...
TABLES FOR THE CONVERSION OF GRAMS (OR CUBIC CENTIMETRES) INTO OUNCES AND GRAINS
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