IMITATION OF ELECTRO-PHYSIOLOGICAL APPARATUS AND ELECTRIC TUNING-FORKS BY HYDRODYNAMIC TUNING-FORKS. Compressed Coal. APPLICATION OF THE APPARATUS T KEEPING UP VIBRATIONS IN ORDINARY TUNING FORKS. 40, scientific american, 1885-04-04
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IMITATION, ELECTRO-PHYSIOLOGICAL APPARATUS, ELECTRIC TUNING-FORKS, HYDRODYNAMIC TUNING-FORKS, Compressed Coal, APPLICATION, APPARATUS T KEEPING UP VIBRATIONS, ORDINARY TUNING FORKS, 40, scientific american, 1885-04-04, 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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