[Electric engineering.] . 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 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 makesconnection to the spring contact d, which is insulated fromthe frame and all other wires. The bell circuit is closed firstthrough a-b by means of the push button; the armature e is at once attracted, there-by releasing the rod piece^,which falls by gravity andmakes contact w
[Electric engineering.] . 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 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 makesconnection to the spring contact d, which is insulated fromthe frame and all other wires. The bell circuit is closed firstthrough a-b by means of the push button; the armature e is at once attracted, there-by releasing the rod piece^,which falls by gravity andmakes contact with thespring d, establishing acircuit between b and c,which short-circuits thepush button and magnetcoil of the drop. 53. The connections for the automatic drop are fig. 24. shown in Fig. 24. The M -©?- 28 INTERIOR WIRING. 39
Size: 1302px × 1919px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidelectricengi, bookyear1902
