Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 281
POINT OF CONTACT^ STRIKING POSITION LEAF SPRING / L /.> ////■ }/7/^\ V/&/» :>!/ W %j///-/»\ Wr -PINSLOT Figs. 3,250 to 3,253.—■Construction details of clapper for motor driven bell, and view show-ing action of clapper on striking the bell. Figs. 3,250 and 3,251, elevation and plan ofarm…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
