Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 77
ot, and the liquid is asolution of bichromate of potash, or better, of chromic acidin dilute sulphuric acid (acid, 1 part; water, 7 or 8 parts;chromic acid to saturation). When several cells are used inseries, some arrangement is generally supplied by means ofwhich both carbon and zinc, or, at any… … Pig. 16.—Bichromate Battery with Movable Plates. is shown in Fig. 16, where all the zinc and carbon plates arefixed rigidly to a rack, which may be raised or lowered by apulley. In the ordinary form of the bichromate cell, the carbonplates remain permanently in the liquid, but the zinc may beraised…
X-rays
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