Electrical Measurements

Front Cover
John Wiley & Sons, 1952 - Electric measurements - 784 pages
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Harris' book gives a complete description of precision mechanical (moving
coil) test instruments manufactured in the early to mid-1900s. They were
often mounted in glued wood enclosures to avoid
magnetic influences. brittle
Bakelite plastic and even black painted glass were available for the dial
but more shock resistant plastics had not yet become available for the case.
The meters were used by the National Bureau of Standards (NBS) to establish
electrical values used in the sale and billing of electrical power generated
by hydroelectric dams and coal fired generation plants.
Today, these meters are collected by individuals and museums. who would
appreciate the comprehensive treatment given in this book. It will be of
great interest for anyone collecting, displaying, or restoring moving coil
meters (or panel mounted devices such as thermocouple controlled temperature
regulators). This will include museum curators, individual collectors, and
those interested in the limitations of mechanical
 

Contents

The Art of Measurement
1
Electrical Units
15
DirectCurrent Galvanometers
44
Copyright

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