Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn
Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn
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In our eReader you can find the full English version of the book. Read Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn 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 Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn
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To quickly assess the difficulty of the text, read a short excerpt:
157 " It is self-evident that a copper shell deposited on a lead matrix can not be loosened directly, as is the case with a wax matrix. It would not be possible to melt the lead away from the copper without injury to the electrotype. But by letting the matrix and copper deposit float on a very easily fusible metal alloy with many free calorics, this loosening succeeds so well that the same matrix can be used five times for the produc- tion of new electrotypes without affecting the quality of th...e electrotypes. Thus the problem of the metal matrix is perfectly solved in all respects.
" These inventions have made a revolution in elec- trotyping technics. The word revolution, however, has more reference to the clearness, rapidity, cheapness and quality of the production than to the change of the working methods and arrangements of already established electrotype foundries.
"Of great importance is the discarding or doing away with the blackleading of the mold matrix, whereby in soft printing elements of photoengravings, etc.
What to read after Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn?
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:
157 " It is self-evident that a copper shell deposited on a lead matrix can not be loosened directly, as is the case with a wax matrix. It would not be possible to melt the lead away from the copper without injury to the electrotype. But by letting the matrix and copper deposit float on a very easily fusible metal alloy with many free calorics, this loosening succeeds so well that the same matrix can be used five times for the produc- tion of new electrotypes without affecting the quality of th...e electrotypes. Thus the problem of the metal matrix is perfectly solved in all respects.
" These inventions have made a revolution in elec- trotyping technics. The word revolution, however, has more reference to the clearness, rapidity, cheapness and quality of the production than to the change of the working methods and arrangements of already established electrotype foundries.
"Of great importance is the discarding or doing away with the blackleading of the mold matrix, whereby in soft printing elements of photoengravings, etc.
What to read after Electrotyping a Practical Treatise On the Art of Electrotyping By the Latest Kn?
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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