COMMUNICATIONS RECEIVED. A [OFFICIAL. Index of Inventions Letters Patent of the United States April 8 1873, scientific american, 1873-05-10

---

COMMUNICATIONS RECEIVED. A [OFFICIAL. Index of Inventions Letters Patent of the United States April 8 1873, scientific american, 1873-05-10

---

Size: 3308px × 4722px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1873-05-10, 8, 1873, american, analysis, april, art, broadsheet, communications, curious, developments, discover, discovery, education, emerging, engravings, experiment, health, index, industrial, information, innovation, insights, inventions, inventor, journal, lab, letters, magazine, mind, monthly, official, paper, patent, patented, practical, publication, received, research, revolution, sa, sciam, science, sciences, scientific, scientist, states, sustainability, tech, technology, trends, united, weekly, works