Trebel, George. [from old catalog] · New York, F. Tousey · leaf 60
meter may be joinedup to a steel knife and a silver fork, and on fixing the fork intoa piece of raw meat the light on the scale will be sensibly de-pleted at the instant the knife is brought also in contact withthe meat. A cell consisting of a copper percussion cap with asmall morsel of zinc has…
Electricity
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