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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 170

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 170
y. Thealternate perforated plates are filled with peroxide of lead and spongy lead. The principal action when the cell ischarged is the formation of lead peroxide onthe positive plate and spongy lead on thenegative. When the cell is discharging, thelead peroxide gradually changes to lead sul-phate… … 66 ELECTRIC POWER AND DEVICES. 394. ELECTRIC WIRE INSULATING DEVICE. Four-spoolsystem. First layer of silk wound left hand, second layer of white Silk Insulating Head White Cotton

Mechanical movements

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