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The Code of Federal Regulations of the United States of America
The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.
Gravity Measurements and the Standards Laboratory
The 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.The 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.(Author).
