Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 81
Fig. 70 Fig. 71.—Kelvins Multicellular Voltmetrr the multicellular type shown in diagram, Figs. 69 and 70. Fig.69 shows the well-known electrometer cell with two quadrantsremoved. Normally a torsion wire maintains the paddle B in theposition shown by dotted line, and when the paddle B is put toone…
Electrical engineering · Electric power
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