FEBRUARY 19 1870. MUM & COMPANY Editors and Proprietors. NO. 37 PARK ROW (PARK BUILDING) NEW YORK. NEW YORK SATURDAY FEBRUARY 19 1870. Contents : PROPOSED MODIFICATION OF THE PATENT LAWS--AN ATTEMPT TO BREAK DOWN THE RIGHT OF APPEAL. THE PNEUMATIC TUNNEL UNDER BROADWAY NEW YORK. OFFICIAL REPORT OF PROFESSOR CHANDLER TO THE BOARD OF HEALTH ON THE NEW YORK GAS COM PANIES., scientific american, 1870-02-19
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FEBRUARY 19 1870, MUM & COMPANY Editors, Proprietors, NO, 37 PARK ROW, PARK BUILDING, NEW YORK, NEW YORK SATURDAY FEBRUARY 19 1870, Contents, PROPOSED MODIFICATION, PATENT LAWS-- ATTEMPT, BREAK DOWN, RIGHT, APPEAL, PNEUMATIC TUNNEL UNDER BROADWAY NEW YORK, OFFICIAL REPORT, PROFESSOR CHANDLER, BOARD, HEALTH, NEW YORK GAS COM PANIES, scientific american, 1870-02-19, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
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