Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 202
de is a carbonrod, B ; the anode a layerof mercury. A, in a cell;the cell has a barometertube, T, dropping down-wards along a scale of units.At the end of the tube is atap, C, whereby the mercury may be drawn from the tube andreturned to the cell by a funnel. The cell is connected across afixed… … Fig. 204 Principles of Motor Generator Meters meter to read Board of Trade or other units. The action issimple: the current deposits mercury on the carbon rod, whichdoes not adhere ; it drops off into the tube, rising there to indicatethe consumption of current in the circuit on the vertical scale.…
Electrical engineering · Electric power
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