IMPROVED COUNTERSINK FOR BORING TOOLS. HOUSEHOLD: DEVICES GATES AND HINGES., scientific american, 1876-02-19

---

IMPROVED COUNTERSINK FOR BORING TOOLS. HOUSEHOLD: DEVICES GATES AND HINGES., scientific american, 1876-02-19

---

Size: 3327px × 4735px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1876-02-19, american, analysis, art, boring, broadsheet, countersink, curious, developments, devices, discover, discovery, education, emerging, engravings, experiment, gates, health, hinges, household, improved, industrial, information, innovation, insights, inventions, inventor, journal, lab, magazine, mechanics, mind, monthly, paper, patented, practical, publication, research, revolution, sa, sciam, science, sciences, scientific, scientist, states, sustainability, tech, technology, tools, trends, united, weekly, works