16 Free Images of Alvan Clark & Sons

telescopes containing lenses ground by alvan clark & sonsrefracting telescopesunited states naval observatory1873 works in the united statesyerkes observatorylist of largest optical refracting telescopeswarner & swasey companychabot space and science centert.r. burnham
Lick Telescope 1889, 8 April 1889
james lick telescopelick observatory
Yerkes 40 inch Refractor Telescope-1897, Alvan Clark
refracting telescopesyerkes observatory
Yerkes 40 inch Refractor Telescope-2006, Alvan Clark
refracting telescopesyerkes observatory
Alvanclark-leah, Alvan Clark
telescopes containing lenses ground by alvan clark & sonsrefracting telescopes
Alvan Clark and his two sons ca1870s by TR Burnham Boston, Alvan Clark, circa 1870s
t.r. burnhamalvan clark
USNO Refractor 1904, Alvan Clark, circa 1904
united states naval observatory1873 works in the united states
8-inch-Telescope-Leah, Alvan Clark
chabot space and science centerrefracting telescopes
Pulkovo 30 inch refracting telescope, Alvan Clark, 1890
telescopes containing lenses ground by alvan clark & sonsrefracting telescopes
Alvan Clark an his sons, Alvan Clark, before 1887, ca. 1870
t.r. burnhamalvan clark
Usno-telescope-equalized-1, Alvan Clark
united states naval observatory1873 works in the united states
Objective prism and 4 lenses from the 24-inch Bruce doublet telescop, by Alvan Clark & Sons, Cambridge MA, 1893 - Putnam Gallery - Harvard University - DSC08071
telescopes in the harvard collection of historical scientific instrumentstelescopes containing lenses ground by alvan clark & sons
Naval Observatory Astronomer Using 12-inch Alvan Clark Telescope, 1892, Alvan Clark
telescopes containing lenses ground by alvan clark & sonsunited states naval observatory
Astronomy for the use of schools and academies (1882) (14741109316), Alvan Clark, 1882
telescopes containing lenses ground by alvan clark & sonsastronomy for the use of schools and academies (1882)
Triumphs and wonders of the 19th century, the true mirror of a phenomenal era - Yerkes Telescope - page 95, Alvan Clark, 1899
historical refracting telescopesyerkes observatory
US Navy 030826-N-9593R-043 Personnel at the U.S. Naval Observatory in Washington, D.C., prepare the facility's historic 26-inch refractor telescope for optical viewing of Mars, Alvan Clark
united states naval observatory1873 works in the united states
USNO26in-2, Alvan Clark
united states naval observatory1873 works in the united states
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