AN IMPROVED CONCENTRATOR. A MACHINE TO TURN THE ENDS OF WAGON AXLES. MOORE'S CONCENTRATOR FOR PLACER MINING OR STAMP MILLS. MACHINE WORKS. AN AUTOMATIC WAGON AXLE SKEIN SETTING AND FITTING MACHINE., scientific american, 1897-10-30
Keywords:
IMPROVED CONCENTRATOR, MACHINE, TURN, ENDS, WAGON AXLES, MOORE'S CONCENTRATOR FOR PLACER MINING, STAMP MILLS, MACHINE WORKS, AUTOMATIC WAGON AXLE SKEIN SETTING, FITTING MACHINE, scientific american, 1897-10-30, 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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