7 Free Images of Yerkes Observatory

alvan clarktelescopes containing lenses ground by alvan clark & sonsrefracting telescopesalvan clark & sons1893 in arthistorical refracting telescopes
Yerkes 40 inch Refractor Telescope-1897, Alvan Clark
refracting telescopesyerkes observatory
Halley's Comet, 1910, Alvan Clark
comet halley in 1910yerkes observatory
Yerkes 40 inch Refractor Telescope-2006, Alvan Clark
refracting telescopesyerkes observatory
On the Golf Course, Young Men's Christian Association College Camp, (Yerkes Observatory in... (NBY 8797)
curt teich postcard archives, v. o. hammon publishing companyyerkes observatory
The Yerkes Telescope (3404626117), Charles Graham
stairs in art1893 in art
The Yerkes Telescope (3404625725)
the world's fair in water colors by charles s. graham1893 in art
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
1 - 7 of 7
/ 1