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 self-study technical manual in question-and-answer form, written by Nehemiah Hawkins and issued by Theo. Audel & Co. in New York in 1914 for working engineers, electricians and students. The line engravings give sectioned machine views, labelled schematics with lettered call-outs and hatched cutaway shading — useful for diagram vocabulary, mechanical cross-sections and keyed lettering systems.
