International Library of Technology · Scranton, International Textbook Co. · leaf 706
A B Fig. 23. Fig. 23 shows two views of an automatic drop, A being aside elevation and B a front view with the cover removed.There are three terminals on the baseboard; those marked aand b are connected to the ends of the magnet coil, the endat b being also connected to the frame/; terminal c…
Electrical engineering
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