The United States Naval Observatory Eclipse expedition. The three polar axes in different stages of completion, set up for clock tests in the Naval Observatory Grounds. Scientific American, 1905-06-24
Keywords:
United States Naval Observatory Eclipse expedition, three polar axes, different stages, completion, set up, clock tests, Naval Observatory Grounds, Scientific American, 1905-06-24, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism
Image ID:
The watermark in the image will not appear on the final download.