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
A question-and-answer self-study manual on electricity by Nehemiah Hawkins, issued by Theo. Audel in New York in 1914 for working engineers, electricians and apprentices. Line diagrams of alternators, windings, collector rings and phase angles sit beside halftones of stators and machine parts, offering schematic circles, coil hatching and labelled arrows usable as technical ornament.
