AN IMPROVED PARALLEL RULER. A COMBINED CHOPPER AND CULTIVATOR. A NEW WHIFFLETREE HOOK. Phosphorus-Tin for Journal Boxes. MISCELLANEOUS INVENTIONS. SMITH'S WHIFFLE TREE HOOK. McMILLAN'S CHOPPER AND CULTIVATOR. COUSINS' PARALLEL RULER., scientific american, 1879-02-22
AN IMPROVED PARALLEL RULER. A COMBINED CHOPPER AND CULTIVATOR. A NEW WHIFFLETREE HOOK. Phosphorus-Tin for Journal Boxes. MISCELLANEOUS INVENTIONS. SMITH'S WHIFFLE TREE HOOK. McMILLAN'S CHOPPER AND CULTIVATOR. COUSINS' PARALLEL RULER., scientific american, 1879-02-22
Size: 3335px × 4741px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., 1879-02-22, american, analysis, boxes, broadsheet, chopper, combined, cousins, cultivator, curious, developments, discovery, education, emerging, engravings, experiment, health, hook, improved, industrial, innovation, insights, inventions, inventor, journal, lab, magazine, mcmillan, mind, miscellaneous, monthly, paper, parallel, patented, phosphorus-tin, publication, research, revolution, ruler, sa, sciam, science, sciences, scientific, scientist, smith, states, sustainability, tech, technology, tree, trends, united, weekly, whiffle, whiffletree, works
