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Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)

Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1109

An illustration from Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery, 1922, leaf 1109
rated. The separate circuit dynamohas either two separate armatures in the field space, or itmay have two sets of coils. Whichever it is, one armatureor coil set is used to excite the field, and the other to sup-ply the current to the circuit. Fig. 460 shows such a dyna-mo with two commutators, one… … Fig. 461 have the task of starting a new shunt dynamo, one thathas never generated any current. Our first step is to open Operation of Dynamos 107 J) the main switch and tnrn the rheostat or field resistancebox so tliat all the resistance is in circuit. A rheostat con-sists of a number of…

Steam engineering · Electrical engineering · Steam-turbines

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