Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1468
for an hour. These should only be used for call bells in offices or suchunimportant work. Leclanche Cell.—This is an open-circuit, polarizationcured type. They are made in several forms. Voltage 1.5 Primary Batteries 1433 and resistance 1 to 4 ohms. Uses sal ammoniac, zinc andcarbon. The carbon… … Fig. 680ordinary leclanche cell Fig. 681elements of thegonda-leclanche cell (manganese dioxide). The zinc is made in a cylindricalform, surrounding the carbon. This cell is shown in Fig.679. The hydrogen is absorbed by the carbon but the man-ganese dioxide, being in contact with the carbon, gives…