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Bog, hæftet The Dental Record, 1893, Vol. 13: A Monthly Journal of Dental Science, Art, and Literature, Devoted to the Interest of the Profession (Classic Reprint af W. H. Dolamore

The Dental Record, 1893, Vol. 13: A Monthly Journal of Dental Science, Art, and Literature, Devoted to the Interest of the Profession (Classic Reprint

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Excerpt from The Dental Record, 1893, Vol. 13: A Monthly Journal of Dental Science, Art, and Literature, Devoted to the Interest of the Profession

The first real step in the use of electricity is dentistry, with the exception of some plating and dipping processes in the workr... Læs mere

Excerpt from The Dental Record, 1893, Vol. 13: A Monthly Journal of Dental Science, Art, and Literature, Devoted to the Interest of the Profession
... Læs mere

Produktdetaljer:

Sprog:
Engelsk
ISBN-13:
9781333938116
Sideantal:
594
Udgivet:
01-10-2016
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Excerpt from The Dental Record, 1893, Vol. 13: A Monthly Journal of Dental Science, Art, and Literature, Devoted to the Interest of the Profession

The first real step in the use of electricity is dentistry, with the exception of some plating and dipping processes in the workroom, was the invention, in 187 5, of the electric mallet, since brought to such high perfection by Dr. Bonwill, an American practitioner, who has shown himself to be possessed of very high mechanical ability. The action of this instrument is very simple. An electro magnet is placed in such a position as to act on a mallet of iron, which is kept apart from the coils by a small spiral Spring. When this mallet is acted upon by the passage of the electric current through the helix of the electro-magnet it taps the end Of the plugger, and at the same time breaking the contact of the circuit, it falls back released; and the blow is again repeated in a similar manner. The mallet is controlled by a small plate on the right side of the instrument, which, when pressed forward by the first finger of the Operator, completes the circuit, and thus causes the malleting to commence. A slot on the Opposite side of the vulcanite hand piece enables the manipulator to turn the plugger in any desired direction with the thumb.

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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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