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 206
ngup its oxygen. Although he made no aoparent use of this discovery,it may be considered as the next important step in the development oithe storage batter\. According to Niblett, Wheatstone, de la Rue, and Niaudet were wellaware that peroxide of lead was a powerful depolarizer, but nobodyappears… … Fig. 1,046.—One plate or grid of a type of storage cell constructed by inserting buttons ofribbons of the proper chemical substances in perforations. Some such cells use crimpedribbons of metallic lead for inserting in the perforations, others pure red lead or othersuitable material. As to the…
Electrical engineering
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