Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp
Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp
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In our eReader you can find the full English version of the book. Read Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp 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 Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp
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Concave may be also caused by using different kinds of paper for the matrix and for the back. If the backing paper shrinks more than the matrix, it will draw away from the latter, caus- ing distortion.
COPPER- PLATING CURVED STEREOTYPES. It would be advisable to use a curved anode for this purpose, or else several small anodes suspended in such a manner that they will be equally distant from all parts of the surface of the curved plate. If a flat anode were employed, the deposit of copper would... be thickest at the center of the plate, which would be nearest the anode, and the edges of the plate, which by reason of the curve would be separated a long distance from 144 STEREOTYPING.
the anode, would receive a very thin deposit. Copper is so easily and rapidly deposited in the acid copper bath (electro- typers' solution) that a current of very low tension should be employed, otherwise the deposit will not be smooth. A ten- sion of one volt would be amply sufficient, and the anodes should be separated from the surface of the plate by a distance of four inches, or even more, if there is any tendency to roughness in the deposit.
What to read after Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp?
You can find similar books in the "Read Also" column, or choose other free books by Charles S Partridge to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Concave may be also caused by using different kinds of paper for the matrix and for the back. If the backing paper shrinks more than the matrix, it will draw away from the latter, caus- ing distortion.
COPPER- PLATING CURVED STEREOTYPES. It would be advisable to use a curved anode for this purpose, or else several small anodes suspended in such a manner that they will be equally distant from all parts of the surface of the curved plate. If a flat anode were employed, the deposit of copper would... be thickest at the center of the plate, which would be nearest the anode, and the edges of the plate, which by reason of the curve would be separated a long distance from 144 STEREOTYPING.
the anode, would receive a very thin deposit. Copper is so easily and rapidly deposited in the acid copper bath (electro- typers' solution) that a current of very low tension should be employed, otherwise the deposit will not be smooth. A ten- sion of one volt would be amply sufficient, and the anodes should be separated from the surface of the plate by a distance of four inches, or even more, if there is any tendency to roughness in the deposit.
What to read after Stereotyping a Practical Treatise of All Known Methods of Stereotyping With Sp?
You can find similar books in the "Read Also" column, or choose other free books by Charles S Partridge to read onlineMoreLess
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