Electric Lighting SpecificationsW. J. Johnstone Company, Limited, 1892 - 176 стор. |
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Сторінка 43
... efficient oiling devices ; the armature shall be balanced both electrically and mechanic- ally so that there will be no tendency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and ...
... efficient oiling devices ; the armature shall be balanced both electrically and mechanic- ally so that there will be no tendency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and ...
Сторінка 53
... efficient oiling devices ; the arma- ture shall be balanced both electrically and mechanically so that there will be no ten- dency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and ...
... efficient oiling devices ; the arma- ture shall be balanced both electrically and mechanically so that there will be no ten- dency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and ...
Сторінка 59
... efficient pattern ; mounted on a base provided with an adjustable belt ... efficiency of operation ; shall have an insulation resistance of not less than ohms ... oiling devices ; the armature shall be balanced both electrically and ...
... efficient pattern ; mounted on a base provided with an adjustable belt ... efficiency of operation ; shall have an insulation resistance of not less than ohms ... oiling devices ; the armature shall be balanced both electrically and ...
Сторінка 64
... efficient oiling devices ; the armature shall be balanced electrically and mechanically so that there will be no tendency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and heating ...
... efficient oiling devices ; the armature shall be balanced electrically and mechanically so that there will be no tendency to spring the shaft , or to draw the armature toward either bearing so as to cause excessive friction and heating ...
Сторінка 72
... efficient oiling devices ; the armature shall be balanced both electrically and magnetically , so that there will be no tendency to spring the shaft , or to draw the armature toward either bear- ing so as to cause excessive friction and ...
... efficient oiling devices ; the armature shall be balanced both electrically and magnetically , so that there will be no tendency to spring the shaft , or to draw the armature toward either bear- ing so as to cause excessive friction and ...
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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