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A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practice (Classic Reprint) - Softcover
Inhaltsangabe
Excerpt from A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practice
Messrs. Schlesin zer Ce. Also exhibited a paging machine, the capabilities of which are similar to the above, but somewhat difi'erentl y obtained. The numbering discs in this instance are provided with ten teeth, with a raised figure on the end of each tooth; and they receive the change motion from cog-wheels mounted below them on the same frame. At. Each descent of the frame a stationary s ring-catch or hook-piece drives round the wheel one tooth, that gears into the tecti of the units disc, and thereby causes the units disc to bring forward a fresh figure. The toothed wheels are some what narrower than the numbering discs, but one tooth of each wheel is enlarged late rally to about double the size of the other teeth; so that at the completion of every revolution of the wheel the projecting tooth shall act 0 on a tooth of the next disc, and carry that disc forward one tenth of a revolution. Y this means the requisite movements of the discs for effecting the regular progression of the numbers are re daood; the first wheel driving its own disc, and communicating motion at interv to the next disc, and the other wheels each receiving motion at intervals from the disc with which it is connected, and transmitting motion, at still greater intervals of time, to the next disc.
The machine is caused to print the figures in duplicate by drawing the spring-catch out of action at every alternate descent of the frame, and thereby preventing any change of the figures taking place until after the next impression.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Excerpt from A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2: Containing a Clear Exposition of Their Principles and Practice
Messrs. Schlesin zer Ce. Also exhibited a paging machine, the capabilities of which are similar to the above, but somewhat difi'erentl y obtained. The numbering discs in this instance are provided with ten teeth, with a raised figure on the end of each tooth; and they receive the change motion from cog-wheels mounted below them on the same frame. At. Each descent of the frame a stationary s ring-catch or hook-piece drives round the wheel one tooth, that gears into the tecti of the units disc, and thereby causes the units disc to bring forward a fresh figure. The toothed wheels are some what narrower than the numbering discs, but one tooth of each wheel is enlarged late rally to about double the size of the other teeth; so that at the completion of every revolution of the wheel the projecting tooth shall act 0 on a tooth of the next disc, and carry that disc forward one tenth of a revolution. Y this means the requisite movements of the discs for effecting the regular progression of the numbers are re daood; the first wheel driving its own disc, and communicating motion at interv to the next disc, and the other wheels each receiving motion at intervals from the disc with which it is connected, and transmitting motion, at still greater intervals of time, to the next disc.
The machine is caused to print the figures in duplicate by drawing the spring-catch out of action at every alternate descent of the frame, and thereby preventing any change of the figures taking place until after the next impression.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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- VerlagForgotten Books
- Erscheinungsdatum2019
- ISBN 10 0282293191
- ISBN 13 9780282293192
- EinbandTapa blanda
- SpracheEnglisch
- Anzahl der Seiten1042
- Kontakt zum HerstellerNicht verfügbar
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A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2 : Containing a Clear Exposition of Their Principles and Practice (Classic Reprint)
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Zustand: Sehr gut. Zustand: Sehr gut | Seiten: 1042 | Sprache: Englisch | Produktart: Bücher. Bestandsnummer des Verkäufers 29758808/2
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A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282293192
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A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9780282293192
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A Dictionary of Arts, Manufactures, and Mines, Vol. 2 of 2 (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book is a comprehensive guide to leather production that details the processes used from antiquity to the early 19th-century. Offering insight into a broad variety of techniques employed to produce and finish leathers for use as clothing, upholstery, bookbinding, and more, it discusses methods used in Europe, the Americas, Africa, and Asia. It also thoroughly examines the history of leather's role in different cultures, its use in art and literature, and its scientific properties. Exploring the changes and innovations that occurred in the leather-making industry across the centuries, the author demonstrates the significance of this versatile material in human history. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9780282293192_0
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