THERMOMETERS. HYDRAULIC MORTARS AND CEMENTS. GENERAL GRANT AS PRESIDENT OF THE WORLD'S FAIR COMMISSION. SOLAR CLOUDS AND SUN SPOTS., scientific american, 1881-01-29

---

THERMOMETERS. HYDRAULIC MORTARS AND CEMENTS. GENERAL GRANT AS PRESIDENT OF THE WORLD'S FAIR COMMISSION. SOLAR CLOUDS AND SUN SPOTS., scientific american, 1881-01-29

---

Size: 3198px × 4728px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1881-01-29, american, analysis, broadsheet, cements, clouds, commission, curious, developments, discover, discovery, education, emerging, engravings, experiment, fair, general, grant, health, hydraulic, industrial, innovation, insights, inventions, inventor, journal, lab, magazine, mind, monthly, mortars, paper, patented, president, publication, research, revolution, sa, sciam, science, sciences, scientific, scientist, solar, spots, states, sun, sustainability, tech, technology, thermometers, trends, united, weekly, works, world