THE YERKES OBSERVATORY TWO-FOOT REFLECTOR. BY MARY PROCTOR. TWO-FOOT REFLECTOR WITH WHICH PROF. RITCHEY PHOTOGRAPHED THE NEBULA SURROUNDING NOVA PERSEI. HIS ASSISTANT MR. PEASE WORKING THE DOUBLE SLIDE PLATE-HOLDER., scientific american, 1902-02-15
Keywords:
YERKES OBSERVATORY TWO-FOOT REFLECTOR, MARY PROCTOR, TWO-FOOT REFLECTOR, PROF, RITCHEY PHOTOGRAPHED, NEBULA SURROUNDING NOVA PERSEI, HIS ASSISTANT MR, PEASE WORKING, DOUBLE SLIDE PLATE-HOLDER, scientific american, 1902-02-15, 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.