Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 111
makes contact at D with the back stop T. Theaction of the bell is as follows: When the circuit is closed throughthe bell a current flows from terminal 1, around the coils of themagnet, through the spring K and contact point D, through theback stop T, to terminal 2. In flowing around the… … Fig. 8. 88 ELECTKIC BELL WIRING aruurnl the electromai^iut uinl tlu- cores conseijuently lose theirattractive force. The armature id then carrie<l hack to itu original|H)sitioii by tlie spring K, making contact at I), and the jtnxvBS isreiR^ate*!. Die hamiiur will thus vihrate and tiie bell…
Architecture · Building
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