OCTOBER 22 1898. OUR FINGERS AS AN AID IN MULTIPLICATION. Fig. 1Multiplying 9 X 9. Fig 2Multiplying 9 X 8. Fig 8Multiplying 7 X 7. Fig. 12Multiplying 16 x 17 Fig. 6Multiplying 8 X '7. RAPID METHOD OF MULTIPLICATION WITH THE FINGERS., scientific american, 1898-10-22
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OCTOBER 22 1898, OUR FINGERS, AID, MULTIPLICATION, Fig, 1Multiplying 9 X 9, Fig 2Multiplying 9 X 8, Fig 8Multiplying 7 X 7, Fig, 12Multiplying 16 x 17 Fig, 6Multiplying 8 X '7, RAPID METHOD, MULTIPLICATION, FINGERS, scientific american, 1898-10-22, 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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