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Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1188

An illustration from Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .., 1913, leaf 1188
pe are generally used;, althoughthe open coil type of armature is employed on some con-stant current arc light generators. This type of armatureis open to the serious objection that the sparking at thebrushes is excessive^ and some special means must alwaysbe provided to reduce it. Gramme Ring.—The… … Fig. 512 The various coils are wound on separately, the wire beingcarried over the outside of the iron core, then through thecenter opening and again around the outside of the core,this operation being repeated until all the wire for thatindividual section is wound on. The adjacent coil is…

Steam engineering · Electrical engineering · Steam turbines

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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