Trebel, George. [from old catalog] · New York, F. Tousey · leaf 54
ith the battery fluid mentionedin the last article and fasten the lid on the cell tightly, by meansof strips of rubber laid between them, so as to prevent the fluidfrom being spilled upon the clothing. Connect the carbonswith zincs, and the remaining carbons and zinc with thebinding posts at the… … The light may be started either by touching one of the wires of thebinding posts, or by attaching a button to the battery wires bymeans of two short pieces of wire, which are made to rest inthe arm-holes of the vest. The light should not be burnedcontinuously, but flashed only at intervals; neither…
Electricity
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