Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1123
its main shaft through a small belt running 1094 Steam Engineering around the armature shaft. (See Fig. 474.) By meansof magnetic clutches and bevel gears^ a pinion shaft isrotated, which moves the rack and the rocker arm and soshifts the brushes on the commutator to maintain a sparkof about % in.… … To Circuit or Plmrneter To Clutch a-fc P for Clockwise. To Clutch at E for Counter Clockwise. To Clutch at E for Clockwise.To Clutch at r for Coun<;.er Clockv**Changed 6 June98. Fig. 475 The current for the magnetic clutches is regulated bythe controller. The controller consists principally of…