Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 85
ed by thechange in the color of the solution from an orange to a darkred, and must be replenished. The zinc should be kept wellamalgamated and out of the solution except when in use.It is a good type of cell for experimental work, and about twocells would perform nearly all of the experiments in… … plate, which could be removed at will and then rinsed in water. To wake a solution for a bichromate cell take 3 ounces of finely powdered bichromate of potash and 1 pint of boilingwater; stir with a glass rod, and afterit is cool add slowly, stirring all thetime, 3 ounces of sulphuric acid.…
Electricity · Magnetism
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