Collotype And Photo Lithography
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In our eReader you can find the full English version of the book. Read Collotype And Photo Lithography Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Collotype And Photo Lithography
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All air bubbles and superfluous moisture are removed by blotting-paper and a squeegee, the edges of the paper are turned up to the depth of about 2 cm. , and a warm gelatine solution (i to 30) poured upon the paper. It sets in a few minutes, and the sheets are placed upon wire gauze to dry, this operation usually occupying about two days. A day before using the gelatine paper is sensitised by immersing for three minutes in a cold bath of bichromate of potassium (i to 15). On removal from the ba...th it is allowed to drain> and the gelatine side placed upon a glass plate. The back is dried with blotting-paper, and all air bubbles removed. These operations and the subsequent drying must be performed in a non-actinic light. It may occur that after these operations the sheets when dry adhere partially or wholly to the glass plate. To prevent such an occurrence it is well to wax the plate, as in the carbon process, or to apply to the surface a weak solution of ox-gall. * When dry the sheets are cut to the required size and printed under the negative.
What to read after Collotype And Photo Lithography?
You can find similar books in the "Read Also" column, or choose other free books by Julius Schnauss to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
All air bubbles and superfluous moisture are removed by blotting-paper and a squeegee, the edges of the paper are turned up to the depth of about 2 cm. , and a warm gelatine solution (i to 30) poured upon the paper. It sets in a few minutes, and the sheets are placed upon wire gauze to dry, this operation usually occupying about two days. A day before using the gelatine paper is sensitised by immersing for three minutes in a cold bath of bichromate of potassium (i to 15). On removal from the ba...th it is allowed to drain> and the gelatine side placed upon a glass plate. The back is dried with blotting-paper, and all air bubbles removed. These operations and the subsequent drying must be performed in a non-actinic light. It may occur that after these operations the sheets when dry adhere partially or wholly to the glass plate. To prevent such an occurrence it is well to wax the plate, as in the carbon process, or to apply to the surface a weak solution of ox-gall. * When dry the sheets are cut to the required size and printed under the negative.
What to read after Collotype And Photo Lithography?
You can find similar books in the "Read Also" column, or choose other free books by Julius Schnauss to read onlineMoreLess
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