Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 151
ic field on the armature. W, worm, driving recording dial train. WW, worm wheel. 570 HAWKINS ELECTRICITY Waste of Electricity in Lighting.—In large residences wherea good many servants are employed or in any plaee where thepower consumed is not directly under the supervision of the per-son who must… … MICROMETER SCREW ADJUSTER■ REGULATING BRUSH TENSION. BRUSH CLAMP ENABLINGSWINGING BRUSHESCLEAR OF COMMUTATORAND REENGAGING WITH-OUT ALTERING TENSION. RIGID ONE PIECE CAST^ ALUMINUM BASE WITHi STIFFENER RIBS- SHORTSTIFF SHAFTWITH PIVOTS FRiaiONCLAMP ATTACHED LIGHT LOAD ADJUST-MENT OF WIDE RANGE.…
Electrical engineering
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