Archaeologia, Or Miscellaneous Tracts Relating to Antiquity, 1852, Vol. 34 (Classic Reprint)

Download or read book Archaeologia, Or Miscellaneous Tracts Relating to Antiquity, 1852, Vol. 34 (Classic Reprint) written by London Society of Antiquaries and published by Forgotten Books. This book was released on 2018-03-20 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Archaeologia, or Miscellaneous Tracts Relating to Antiquity, 1852, Vol. 34 To return to the primitive balance and escapement. In the great clocks before us, to obtain the performance of all the oscillations in equal times, the action of the force applied was required to be the same in manner, quantity, and duration in each oscillation; conditions of such difficulty under the constant changes of friction and resistance, that the happy introduction of the pendulum - converting a rotatory into a vibratory motion, and by its own gravity and isochronism neutralizing the impediments to uniform movement - was assuredly the grandest and most decisive stride ever made in horology. And that this benefit was widely and at once appreciated, is manifested by the fact, that at least eight-tenths of the portable clocks of those times, now existing, have obviously undergone the necessary alterations to fit them for the pendulum. The early efforts in horology consisted inbelonging to the Society of Antiquaries. 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.