Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 111
antageous, instead of bend- zinc rod, with a special excitant, non- corrosive and non-poisonous. The lid is ing a long strip of zinc, to employ perforated with 3 holes, into 2 of which 3 shorter pieces : 1 to be put at the the electrodes fit water- and air-tight, bottom of the containing jar, and… … cient to leave the cell in a permanently vessels like a Bunsen. The ends and working condition. The lid, having bottoms of porous cells may be thickened been fitted to the electrodes, is pressed for strength. These batteries are ex- down on the diaphragm, and auto- pensive at first, owing to the…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.