FEBRUARY 21 1891. Concerning Memory. CENTRIFUGAL ACTION OF AIR. ET GEO. IL HOPKINS. quadrants above the disk thus practically forming a Inoculation by Mosquitoes against Yellow Fever. Prizes for Road Photographs. Fig. 2.-AIR CURRENTS SHOWN BY FLAME AND SMOKE. Fig. I.-THE 'SKELETON SPHERE., scientific american, 1891-02-21
Keywords:
FEBRUARY 21 1891, Concerning Memory, CENTRIFUGAL ACTION, AIR, ET GEO, IL HOPKINS, quadrants, disk thus practically forming, Inoculation, Mosquitoes, Yellow Fever, Prizes, Road Photographs, Fig, 2.-AIR CURRENTS SHOWN, FLAME, SMOKE, Fig, I.- 'SKELETON SPHERE, scientific american, 1891-02-21, 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
Image ID:
The watermark in the image will not appear on the final download.