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 194
, while it occupies more space, does not•equire a step bearing. Ques. Describe a step bearing. Ans. It consists of two cylindrical cast iron plates bearingupon each other and having a central recess between them intowhich lubricating oil is forced under considerable pressure bya steam or… … ALTERNATORS 1,183 connection with the oil pipe as a convenient device for govern-ing the step bearing pumps, and also as a safety device in casethe pumps fail. Alternators of Exceptional Character.—There are a few typesof alternator less frequently encountered than those already described.The…
Electrical engineering
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