 When the washing is finished, the pictures are separated under water, and a portion of the last water is taken from the box. For the purpose of testing, two test-tubes of equal size, and perfectly clean, should be selected; in each an equal quantity...  Handbook of the Practice and Art of Photography - Page 150by Hermann Wilhelm Vogel - 1871 - 331 pagesFull view - About this book
 | Photography - 1875 - 676 pages
...seconds). This will give a blue solution of iodide of starch, which will keep for about four weeks. When the washing is finished, the pictures are separated...clean should be selected ; in each an equal quantity ul a solution of iodide of starch should be filled ; to the one tube fresh water from tho reservoir... | |
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