The practical telephone handbook and guide to the telephonic exchange (1906)
Poole, Joseph · New York, Macmillan Co. · leaf 59
ekept in a cool place, or they will become actually dry, andwill fail to give current. The Delafon Cell.—This is a successful cell made in both awet and dry form. The special feature appears to be anagglomerate mixture which instead of being mixed with somebinding ingredient and then solidified by… … Fig. 20 BA TTERIES 37 electrolyte is obtained by a special preparation having feculaas a basis. Mr W. E. Cooper, in bis work on Primary Batteries, givesthe results of a comparison of tests of a number of differentforms of Leclanche cells, including dry forms, and thefollowing particulars of the…
Telephone
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.