Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 44
s of which have their opposing faces hollowed outto the arc of a circle, in which space the armaturerevolves. When the field magnet is excited this spacewill be the seat of a powerful magnetic field. Theessential point about the field magnet is that its polesnever change; one is always north and… … ARMATUREFIELD MAGNET FIELD MAGNET COIL Fig. 5. Parts of a 2 Pole Dynamo. the field magnet poles, leaving just sufficient room for itto revolve without touching. It has been shown that torotate a closed conductor in a magnetic field is to set upan alternating current in it—so to rectify this…
