Design and performance of magnets in the automatic telephone (1912)
Hays, Don Llewelyn, Thvedt, Christian Bernhard · leaf 18
Figure la … Figure lb. Sinoe it i3 of advantage to reduce the reluctance due to theair gap as far as possible, the shape of core and armature is ofimportance. The reluctance of air being taken as unity, we have (1) R - AU where R =Reiuctanoe of Magnetic Path.1 = Length of Magnetic path.A sSectional Area 0f…
Electromagnets · Telephone, Automatic · Theses
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