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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 1130

An illustration from Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .., 1913, leaf 1130
disk on the commutatorend. Operation of Dynamos 1101 In Fig. 478, the first halves of the three coils are rep-resented by 1^ 2 and 3, and the last halves by 1\ 2 and 3. A narrow piece of tin with sharply pointed ends is bentTip over the sides of the middle band at the center of thered mark so that… … Fig. 478 edge of the first coil to the right of the red mark (No. 3in Fig. 478) is just in line with the edge of the left field.The red lead will then be in position shown in Fig. 478 andthe armature is in proper position to set the commutator.In the case of the right-hand drum armature, the…

Steam engineering · Electrical engineering · Steam turbines

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