Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 431
to propa-gate electro-dynamic action from the cake of re-sin to some adjacent body, the circular plate ofmetal is taken by the tip of the glass handle,and brought into contact with the cake of resin,and at the same time the finger is brought totouch the plate. Then the finger is to be with-drawn,…
Mechanical engineering · Mechanics · Engineering
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