Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 38
on, andperhaps in other large towns, storage cells ^- ^7-E.1.S. Companys Q Type Accumulator Battery ready charged can be hired at small cost for experiments. The cost ofthe primary battery and the secondary battery are about the same,^3 or thereabout. The next type of cell required is for…
Electrical engineering · Electric power
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