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The Ampere

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1 Author(s)
F. B. Silsbee ; National Bureau of Standards, Washington, D.C.

The purpose of this paper is to supplement the preceding paper by describing in some detail the various measuring procedures and supporting research which must be carried on by a national standardizing laboratory to meet its responsibilities related to a single one of the many units of measurement on which modern science, engineering and industry are based. The example chosen is the ampere, the unit of electric current in the MKSA system. The tasks involved naturally fall into five successive stages, namely; the definition, establishment, maintenance, extension and dissemination of the unit.

Published in:

Proceedings of the IRE  (Volume:47 ,  Issue: 5 )