Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 32
tes are covered to a depth ofabout two inches. The acid must not be deep enough tocover the points where the wires are attached to the plates. * Zinc so treated is said to be amalgamated. f The bubbles of air which may slowly come out of some of thebodies, particularly the carbon, are not to be… … Fig. 10. During this operation, do not allow the strips to come incontact. To prevent this, before pouring in the acidarrange as in Fig. 10, bending the wires back so as tospring against the sides,thus holding the two plateson opposite sides of thetumbler. Note carefullywhat happens on eachplate,…
Physics
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