Labor in New York City. The Welding of Metals at Low Temperatures. Railway Notes. A Universal International Exhibition of One. IA 4 II Reporting Machine. A New Method of Planting Telegraph Poles. Simple Mode of Silvering Metals., scientific american, 1879-03-08

---

Labor in New York City. The Welding of Metals at Low Temperatures. Railway Notes. A Universal International Exhibition of One. IA 4 II Reporting Machine. A New Method of Planting Telegraph Poles. Simple Mode of Silvering Metals., scientific american, 1879-03-08

---

Size: 3326px × 4735px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1879-03-08, , 4, american, analysis, broadsheet, city, developments, discovery, education, emerging, engravings, exhibition, experiment, health, ia, ii, industrial, innovation, insights, international, inventions, inventor, lab, labor, machine, magazine, metals, method, mind, mode, monthly, notes, patented, planting, poles, publication, railway, reporting, research, revolution, sa, sciam, science, sciences, scientific, scientist, silvering, simple, states, sustainability, tech, technology, telegraph, temperatures, trends, united, universal, weekly, welding, york