Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 1-5 із 14
Сторінка 17
... necessary , lamps and sockets should be inclosed in waterproof globes . All cut - outs , switches , etc. , should be of moisture proof , incombustible material . Joints will prove a source of trouble INTRODUCTION 1 † Appliances.
... necessary , lamps and sockets should be inclosed in waterproof globes . All cut - outs , switches , etc. , should be of moisture proof , incombustible material . Joints will prove a source of trouble INTRODUCTION 1 † Appliances.
Сторінка 24
... inclosed , thus ( S ) ( M ) Another method used is to indicate the gas outlets by a simple circle while the number of electric . lights at the same outlet is denoted by the number of lines terminating in the circle , T thus -- is a ...
... inclosed , thus ( S ) ( M ) Another method used is to indicate the gas outlets by a simple circle while the number of electric . lights at the same outlet is denoted by the number of lines terminating in the circle , T thus -- is a ...
Сторінка 92
... inclosed in the same tube . ( See p . 82 , sec . 98. ) ( See p . 82 , sec . 99. ) ( See p . 83 , sec . 101. ) ( See p . 83 , sec . 102. ) ( See p . 83 , sec . 103. ) ( See p . 84 , sec . 104. ) ( See p . 84 , sec . 105. ) ( See p . 85 ...
... inclosed in the same tube . ( See p . 82 , sec . 98. ) ( See p . 82 , sec . 99. ) ( See p . 83 , sec . 101. ) ( See p . 83 , sec . 102. ) ( See p . 83 , sec . 103. ) ( See p . 84 , sec . 104. ) ( See p . 84 , sec . 105. ) ( See p . 85 ...
Сторінка 128
... inclosed in a vapor - tight globe . This is not understood to include rooms where illuminating gases are used in the ordinary manner . In breweries , stables , dye - houses , paper and pulp mills , or other buildings specially liable to ...
... inclosed in a vapor - tight globe . This is not understood to include rooms where illuminating gases are used in the ordinary manner . In breweries , stables , dye - houses , paper and pulp mills , or other buildings specially liable to ...
Сторінка 132
... inclosed in non - combustible material , such resistances being treated as sources of heat . 4. Supplied with globes protected as in the case of arc lights on high potential circuits . Fixture Work . 1. In all cases where conductors are ...
... inclosed in non - combustible material , such resistances being treated as sources of heat . 4. Supplied with globes protected as in the case of arc lights on high potential circuits . Fixture Work . 1. In all cases where conductors are ...
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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