Vol. 18. NEW SERIES. Improve'a excavator. SAGE & ALGER'S. PATENT EXCAVATOR AND DREDGING MACHINE. COLORS OF THE SEA., scientific american, 1871-04-29

---

Vol. 18. NEW SERIES. Improve'a excavator. SAGE & ALGER'S. PATENT EXCAVATOR AND DREDGING MACHINE. COLORS OF THE SEA., scientific american, 1871-04-29

---

Size: 3208px × 4619px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, .., 18, 1871-04-29, alger, american, analysis, broadsheet, colors, curious, developments, discover, discovery, dredging, education, emerging, engravings, excavator, experiment, health, improve, industrial, innovation, insights, inventions, inventor, lab, machine, magazine, mind, monthly, paper, patent, patented, publication, research, revolution, sa, sage, sciam, science, sciences, scientific, scientist, sea, series, states, sustainability, tech, technology, trends, united, vol, weekly, works,