Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 41
Fig. 21. Fig. 22. Gravity Cell. Where one of the two liquids used in a cellis heavier than the other, their difference in specific gravity maybe depended upon to keep the liquids separate, instead of using aporous cup. The heavier li(piid then remains at the bottom of thecell and the lighter one…
Electrical engineering
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