AN IMPROVED POWER CRANK. POTTS' POWER CRANK APPLIED TO A BICYCLE. A CASING FOR SHAFTS COUPLINGS ETC. PODEYN'S SHAFT PROTECTOR. World's Gold Production In 1897. Patent Decision on Street Car Cable Grips. AN IMPROVED SASH SUPPORTER. BOHRISCH'S SASH SUPPORTER. CULTIVATING COTTON PLANTS., scientific american, 1898-04-02
Keywords:
IMPROVED POWER CRANK, POTTS' POWER CRANK APPLIED, BICYCLE, CASING FOR SHAFTS COUPLINGS ETC, PODEYN'S SHAFT PROTECTOR, World' Gold Production, 1897, Patent Decision, Street Car Cable Grips, IMPROVED SASH SUPPORTER, BOHRISCH'S SASH SUPPORTER, CULTIVATING COTTON PLANTS, scientific american, 1898-04-02, 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.