Trebel, George. [from old catalog] · New York, F. Tousey · leaf 52
USE ELECTRICITY. 45 elements of each cellthose of the next cell. should be 1 1-2 inches distant fromBy using four binding posts, two on … each board, four cells may be used at a time; or, by using eightbinding posts, two cells may be used at a time. Care, however,must be taken to connect the carbons with the zincs, otherwisethere will be no current at all. Figure 6 is taken from a pho-tograph ot a battery of this kind, which I use…
Electricity
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