Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 247
a ofusing the currents of the voltaic pile to determinecombinations, and not merely decompositions. 15 226 PRECIOUS STONES. Instead of employing powerful currents, such aswere used to produce decomposition, he applied tohis purpose very feeble currents, and the results ob-tained surpassed his… … Fig. 90.—Voltaic Apparatus of M. Becquerel for the Production of Crystals. flowing together, without interfering with the pro-duction of molecular actions and transports. Thetwo liquids are, moreover, placed in direct com-munication by means of a metallic wire. One of the substances reproduced by…
Precious stones · Diamonds · Gems
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