Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 1
... THE USE OF ENGINEERS AND ARCHITECTS . BY E Abbot MERRILL . UNIVERSITY OF MINNESOTA NEW YORK : THE WJ JOHNSTON CO . , LTD . 167-176 TIMES BUILDING . 1892 . COPYRIGHTED , 1892 , BY THE W. J. JOHNSTON COMPANY ELECTRIC LIGHTING.
... THE USE OF ENGINEERS AND ARCHITECTS . BY E Abbot MERRILL . UNIVERSITY OF MINNESOTA NEW YORK : THE WJ JOHNSTON CO . , LTD . 167-176 TIMES BUILDING . 1892 . COPYRIGHTED , 1892 , BY THE W. J. JOHNSTON COMPANY ELECTRIC LIGHTING.
Сторінка 20
... the distribution in an office building for the same limits of varia- tion in the candle - power when operating under the normal conditions of variation in load . There is 50 per cent . more copper in a 20 INTRODUCTION .
... the distribution in an office building for the same limits of varia- tion in the candle - power when operating under the normal conditions of variation in load . There is 50 per cent . more copper in a 20 INTRODUCTION .
Сторінка 23
... buildings fitted for the electric light only , with its more frequent adaptation to architectural and æsthetic effects , and the thousand and one purposes and places from which other forms of illuminant are excluded , the contractor is ...
... buildings fitted for the electric light only , with its more frequent adaptation to architectural and æsthetic effects , and the thousand and one purposes and places from which other forms of illuminant are excluded , the contractor is ...
Сторінка 25
... building and to an external source of supply , this fact should be taken into consideration in the loca- tion of the centre of distribution and of the risers ; where the outside mains enter the building overhead it is sometimes ...
... building and to an external source of supply , this fact should be taken into consideration in the loca- tion of the centre of distribution and of the risers ; where the outside mains enter the building overhead it is sometimes ...
Сторінка 36
... building in the performance of his work . He shall be responsible for all accidents resulting through his work . ( The purchaser ) agrees to afford the con- tractor all possible facilities to enable the work to proceed without ...
... building in the performance of his work . He shall be responsible for all accidents resulting through his work . ( The purchaser ) agrees to afford the con- tractor all possible facilities to enable the work to proceed without ...
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Age money Alternating Current ampère meter apparatus appliances arc lamps armature attached automatic baseframe bidder shall fill bids building c. p. lamps cables candle power capacity carried ceiling cent centre of distribution cleats conductors conduit connections contractor shall furnish cross-arms cuits cut-out boxes cut-outs and switches Direct Current double-pole dynamo or circuit dynamos Trade number erect the following fastened fill out completely fixture foundation(s full load fuses hand regulator incandescent lamps inches incombustible bases installation insulated wire insulation resistance junction boxes knife switch least lightning arresters main wires ments moisture moisture-proof molding necessary non-combustible number of lights number or designation ohms operation outlets pipes placed plant porcelain potential pressure proper protected pulleys purchaser Rating of exciters riser feeder schedule securely set screws shunt Sockets soldered spark arresters specification steam struction switchboard taps three-wire tightened tion tube two-wire voltage voltmeter volts walls waterproof wire smaller