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  • Gravity Measurements and the Standards Laboratory (Classic Reprint)

Gravity Measurements and the Standards Laboratory (Classic Reprint)

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Excerpt from Gravity Measurements and the Standards LaboratoryThe local value of the acceleration due to gravity is a fundamental datum for almost every standards laboratory as it, together with accurate standards of mass, is the basis for the standards involving force. Instruments used as standards in this area include precise deadweight piston gages, deadweight calibrators for force transducers, liquid manometers, and earth field accelerometer calibrators. The practical realization of the absolute ampere and the absolute volt require a knowledge of force. This paper presents the basic information about how gravity measurements are made and outlines procedures for obtaining a suitable value for a given location. It also gives a brief discussion of the background and meaning of the term standard gravity, and its application in the computation of forces in units of the pound-force and the kilogram-force.Key words: Absolute gravity, deadweight, force, geodetic pendulum, gravity, gravity meter, Potsdam system, standard gravity, units of force.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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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