The Engineering Review

The Engineering Review

4.11 - 1251 ratings - Source

... has the disadvantage that it still requires trimming and uses a fairly expensive carbon; moreover, the ash produced by combustion of ... The new Westinghouse CooperHewitt lamp is a mercury vapour lamp using a quartz tube, which, at the normal ... tilt of the tube necessary to cause the mercury to short-circuit the tube terminals being effected by the tilting magnet A ... The diagram makes clear the progress of the current from the positive to the negative terminals, also the action of theanbsp;...

Title:The Engineering Review
Publisher: - 1910


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