An experimental study of the fahy permeameter

1918 · National Bureau of Standards · 18 pictures

A 1918 technical report from the National Bureau of Standards on testing the Fahy permeameter, written for physicists and instrument engineers measuring magnetism. The single plate is a line diagram of wire coils wound on a rectangular yoke, lettered H_s, H_o, M and C, with type from the facing page showing faintly through the paper.

Magnetism · measurements and use of instruments/ B8000 Power systems and applications

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