Ventilators Operated by Solar Heat Tempering Steel. The Crank Motion. Mean Leverage of the Crank., scientific american, 1867-04-20

---

Ventilators Operated by Solar Heat Tempering Steel. The Crank Motion. Mean Leverage of the Crank., scientific american, 1867-04-20

---

Size: 3316px × 4728px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1867-04-20, american, analysis, art, broadsheet, crank, curious, developments, discover, discovery, education, emerging, engravings, experiment, health, heat, industrial, information, innovation, insights, inventions, inventor, journal, lab, leverage, magazine, mind, monthly, motion, operated, paper, patented, practical, publication, research, revolution, sa, sciam, science, sciences, scientific, scientist, solar, states, steel, sustainability, tech, technology, tempering, trends, united, ventilators, weekly, works