Practical electricity .. with questions and answers by Cleveland armature works

Author:Cleveland armature works, [from old catalog] comp & Lincoln, John C. [from old catalog]
Language: eng
Format: epub, pdf
Tags: Electricity
Publisher: [Cleveland, Ohio, Cleveland armature works]
Published: 1911-03-25T05:00:00+00:00

TABLE XXII. ELEMENTS OF TYPE M. V.

THE WILLARD BATTERY.

The plates of this battery are of the Plante type and are made up of lead sheets ridged or grooved across the whole width of the plate; the grooves are cut in a downward direction from the surface of the plate to its center, thereby forming V-shaped pockets or shelves which greatly increase the active surface of the plate and after forming serve to retain the active material. It is claimed that the Willard plates are not subject to any deterioration or buckling as the active oxides when formed between the ribs, by their expansion, only cause these thin ribs or shelves to open up and slightly separate from each other. The internal resistance of this cell is very low as its construction gives a plate without any joint whatever between the active and the conducting materials. The positive and negative plates in each cell are separated by hard rubber discs which are perforated to allow free circulation of the electrolyte.

Following are two tables giving some data of the Willard batteries:

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