Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 57
les of this magnet, an armature Aof soft iron is attached to a pivoted lever L of non-magneticmaterial, which Ls controlled by a spring S. When a current 46 ELEMENTS OF ELECTRICITY 39 passes through the coils of this electromagnet, the cores becomemagnetized and attract the armature downward. Just… … BindingPost Fij,^. 33. lose their attractive force. The armature is then carried upwardby means of the spring which acts on the lever to which thearmature is attached. The lever then strikes aofainst anotherstop D and another click is heard. The lange of stroke or playof the lever is adjusted l)y…
Electrical engineering
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