THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME NEW-YORK APRIL 7 1855. [NUMBER 30. T H SCIENTIFIC AMERICAN PUBLISHED WEEKLY At 128 Fulton Street (Sun Buildings.) BY MUNN de COMPANY. I Federhen & Co. Boston. Dexter & Bro New York. Stokes A Bro. Philadelphia. E. G. Fuller Halifax N. S. Responsible Agents may also be found in all the principal cities and towns in the United States. Single copies of the paper are on sale at all the periodical stores in th s city Brooklyn and Jersey City. TERMS—$2 a-year :—.$1 in advance and the remainder in six
THE ADVOCATE OF INDUSTRY AND JOURNAL OF SCIENTIFIC MECHANICAL AND OTHER IMPROVEMENTS. VOLUME NEW-YORK APRIL 7 1855. [NUMBER 30. T H SCIENTIFIC AMERICAN PUBLISHED WEEKLY At 128 Fulton Street (Sun Buildings.) BY MUNN de COMPANY. I Federhen & Co. Boston. Dexter & Bro New York. Stokes A Bro. Philadelphia. E. G. Fuller Halifax N. S. Responsible Agents may also be found in all the principal cities and towns in the United States. Single copies of the paper are on sale at all the periodical stores in th s city Brooklyn and Jersey City. TERMS—$2 a-year :—.$1 in advance and the remainder in six months. Useful %arnishes. ROSIN OIL AND GUTTA PERCHA VARNISHES Turning Lathe. 7E4' EYCK Power of Cocoa. Professor Johnstone in his 'Chemistry of Common Life' states that by the use of co coa leaf the Peruvian Indians undergo the most incredible labor. He says ; 'With a feeble ration of dried maize or barley crushed into flour the Indian if duly supplied with cocoa toils under heavy burdens day after day up the steep slopes of the mountain passes or digs for years in the subterranean Some of our cotemporaries state that Campbell of Columbus Ohi has lined the give us the result of his experiments? IMPROVED TURNING LATHE. SELF-REGULATING WATER GATE. IlillV , 1855-04-07
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