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alternating current amperes apparatus arc lamps armature arrangement bulb bus bars cable candle-power capacity carbon cent conductors conduit connected constant current constant potential copper loss core cross-arm cross-section cut-out device diameter difference direct current distribution drop dynamo effect efficiency electric lighting electrical conductors employed energy equal fact feeders feeding-points filament flow frequency full load fuse globe ground heat hence incandescent lamps inch inclosed arc increase inductance insulation iron joint latter length less machines magnetic maximum mechanical metal meter method motor number of lamps ohms one-half open arc operation ordinary parallel phase pipe placed pole polyphase polyphase systems porcelain power factor practically pressure primary produced reactance regulation represented in Fig resistance rheostat rotary rotary converters secondary circuit self-induction shown in Fig shunt side single-phase socket supplied switch temperature terminal three-phase three-wire system tion transformers tube two-phase two-wire two-wire circuit usually voltage volts wattmeter watts winding
Сторінка 510 - BRIDGE, THE With an Account of the Regimen of the Missouri River and a Description of the Methods used for Founding in that River. By O. Chanute, Chief Engineer, and George Morrison, Assistant Engineer. Illustrated with 5 lithographic views and 12 plates of plans. 4to, cloth $6.00 KAPP, GISBERT, CE Electric Transmission of Energy and its Transformation, Subdivision, and Distribution.
Сторінка 508 - CROCKER, FB Electric Lighting. A Practical Exposition of the Art for the use of Electricians, Students, and others interested in the Installation or Operation of Electric-Lighting Plants. Vol. I. — The Generating Plant. Sixth Edition, entirely revised. Illustrated.
Сторінка 508 - DYNAMIC ELECTRICITY: Its Modern Use and Measurement, chiefly in its application to Electric Lighting and Telegraphy, including: 1. Some Points in Electric Lighting, by Dr. John Hopkinson. 2. On the Treatment of Electricity for Commercial Purposes, by JN Shoolbred. 3. Electric-Light Arithmetic, by RE Day, ME Fourth Edition. Illustrated. 16mo., boards, 166 pp. (No. 71 Van Nostrand's Science Series.) 50 cents EDGCUMBE, K.
Сторінка 11 - W, we find that the most economical area of conductor is that for which the annual cost of energy wasted is equal to the annual interest on that portion of the capital outlay which can be considered to be proportional to the weight of metal used. Professor George Forbes, in his Cantor Lecture, on " The Distribution of Electricity...
Сторінка 459 - Must be so placed in wet places that an air space will be left between conductors and pipes in crossing, and the former must be run in such a way that they cannot come in contact with the pipe accidentally. Wires should be run over, rather than under, pipes upon which moisture is likely to gather or which, by leaking, might cause trouble on a circuit.
Сторінка 510 - LOCKWOOD, TD Electricity, Magnetism, and Electro-Telegraphy. A Practical Guide and Handbook of General Information for Electrical Students, Operators, and Inspectors. Fourth Edition. Illustrated. 8vo., cloth, 374 pp $2.50 LODGE, OLIVER J.
Сторінка 507 - Elements of Electric Lighting, including Electric Generation, Measurement, Storage, and Distribution. Tenth Edition, fully revised and new matter added. Illustrated. 12mo., cloth, 280 pp $1 .50 Power Transmitted by Electricity and Applied by the Electric Motor, including Electric Railway Construction.
Сторінка 509 - HASKINS (CH) The Galvanometer and its Uses. A Manual for Electricians and Students. Second edition. I2mo, morocco I 50 HENRICI (OLAUS). Skeleton Structures, especially in their application to the Buildingof Steel and Iron Bridges. With folding plates and diagrams.