Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 221
oints, P, are connected vfith thelever L and the screw G. The ends of the wire of the electro-magnet are connected with the binding posts B, B, and thelever L and the screw 0 are electrically connected with thebinding posts Bi, B^. Whenever the magnet R is magnetized the armature isdrawn toward the… … W A B Earth ~ Edrtb Fig. 255.—Connection of instruments in a telegraph circuit. A, B, and C, and indicates how the connections are made ineach office. 214 MAGNETIC EFFECTS OF THE CURKENT When the line is not in use the switcli on each key K isclosed and tlie current in tlie main circuit flows from…
Physics
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