Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 167
is beinglargely superseded for this purpose by thehigh flash-point mineral oils which can beobtained of very uniform quality. Eosin oilis used also to some extent in the manu-facture of insulating compounds. [h. d. s.] Rosin Spirit. See Turpentine. Rotary Condenser. See Condenser,Electric. Rotary… … Fig. 1.—Woodbridge Split-pole Rotary Converter is supplied to the Jatter, and the armatureis brought up to speed in synchronism withthe current supplied, the armature continuesto run as an ac motor, while delivering ceat the commutator, at a higher voltage. Themachine is usually employed in this…
Electrical engineering
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