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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 115

An illustration from American telephone practice, 1905, leaf 115
nt a greatersurface to the electrolyte has a horizontal cross-section in the formol a cross. The carbon electrode is in the form of a hollow cylindercompletely inclosing the porous pot. The carbon cylinder has aflaring top provided with a flange which fits over the upper edgeof the glass jar, thus…

Telephone

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