Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Результати 6-10 із 13
Сторінка 60
... indicating the current supplied by the dynamo ; one voltmeter or pressure indicator which shall remain con- stantly in circuit so as to indicate continuously the pressure on the primary mains at the point to which it is connected , and ...
... indicating the current supplied by the dynamo ; one voltmeter or pressure indicator which shall remain con- stantly in circuit so as to indicate continuously the pressure on the primary mains at the point to which it is connected , and ...
Сторінка 61
... indicate the insula- tion maintained on both sides throughout the system ; one pair of efficient lightning arrest- ers ; for the field - exciting circuit one hand regulator made entirely of incombustible material , one voltmeter , one ...
... indicate the insula- tion maintained on both sides throughout the system ; one pair of efficient lightning arrest- ers ; for the field - exciting circuit one hand regulator made entirely of incombustible material , one voltmeter , one ...
Сторінка 66
... incombustible material ; one ampère meter for indicating the current sup- plied by the dynamo ; one voltmeter or pres- sure indicator , which shall remain constantly in circuit so 66 ELECTRIC LIGHTING SPECIFICATIONS . Instruments.
... incombustible material ; one ampère meter for indicating the current sup- plied by the dynamo ; one voltmeter or pres- sure indicator , which shall remain constantly in circuit so 66 ELECTRIC LIGHTING SPECIFICATIONS . Instruments.
Сторінка 67
... indicate continuously the pressure at the point to which it is connected , and shall be so constructed that the scale is plainly visible at a distance of at least —— ; one insulating baseframe provided with rails and a suitable device ...
... indicate continuously the pressure at the point to which it is connected , and shall be so constructed that the scale is plainly visible at a distance of at least —— ; one insulating baseframe provided with rails and a suitable device ...
Сторінка 123
... indicate on inspection whether the current be " on " or " off , " and be mounted on a non - combustible base in a position where it can be kept free from moisture , and easy of access to police or firemen . 3. Always in plain sight ...
... indicate on inspection whether the current be " on " or " off , " and be mounted on a non - combustible base in a position where it can be kept free from moisture , and easy of access to police or firemen . 3. Always in plain sight ...
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Загальні терміни та фрази
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