Electrochemical and metallurgical industry . Hugo Jone, Chicago. Patent yj^.^?^- Nov. 22, filed Nov. 18, 1901. The above process is a simplification of the inventors lirstpatent which was described in Electrochem k al Indlstry,Vol. II., page 326. (See also Vol. I., page 586; Vol. II., page18.) It consists essentially in the production of an electriccurrent in a galvanic cell by using tin as the positive andcarbon as the negative pole, the electrolyte being molten caus-tic potash. Mercuric oxide is used as the depolarizer, whichbecomes reduced to mercurous oxide or metallic me
Electrochemical and metallurgical industry . Hugo Jone, Chicago. Patent yj^.^?^- Nov. 22, filed Nov. 18, 1901. The above process is a simplification of the inventors lirstpatent which was described in Electrochem k al Indlstry,Vol. II., page 326. (See also Vol. I., page 586; Vol. II., page18.) It consists essentially in the production of an electriccurrent in a galvanic cell by using tin as the positive andcarbon as the negative pole, the electrolyte being molten caus-tic potash. Mercuric oxide is used as the depolarizer, whichbecomes reduced to mercurous oxide or metallic mercur\- dur-ing the operation, and is regenerated in a separate vessel. Thetin is oxidized to oxide of tin, and the latter is constantly re-duced in the apparatus by means of fuel gas passed into thecell. The fuel gas is generated in a gas producer in about thesame manner that water gas is generally made, omitting, how-ever, preferably the impregnation of the gas by battery is illustrated in vertical cross-section in hig. ; ^ —{ FOR CONVERTINC; ENER(;V OF FfEI. INTO \1. energy. It consists of a vessel made of some material unaffected bycaustic potash, upon which rests by means of a flange thesquare, porous carbon \•e^sel. 10. This vessel serves as thenegative plate and contains the mercuric oxide, 17. A flatI)an, 16, with a ledge, 15, rests on the bottom of the outervessel and contains the metallic tin which constitutes the pos-itive pole. The fluid, 18. in the inner and the outer vessel isa watery solution of caustic potash, kept at an elevated tem-perature. The solution is covered with a layer of paraffine,32, to prevent absorption of carbon dioxide and oxygen fromthe air. I he reducing gas is introduced through pipe, 68 3^ I K Ml \l \\|) \(,IC\l. IXDl SIin liralrcl in coils, (m). and Mip|ilicil in the ce ll li> i>i|>c>. 71. 7-. which arc prox ulcd with Miitablc jets, ;. 74, and I lieshap
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