Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 524
a given time. Pickles and Dips.—While the best polish is secured bygrinding and wheel polishing, many articles are best cleanedchemically by immersing them in solutions which dissolve thescale, grease, etc., adhering to them, leaving a clean but roughsurface which must be polished afterwards. 3,178… … Fig. 4,595.—Dipping or immersion; a method of chemically cleaning many articles consistingof dipping them in solutions which dissolve the grease scale, etc. Successful dipping de-pends chiefly upon quick and careful handling rather than upon the dips themselves, andthe holes in these baskets should…
Electrical engineering
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