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Great telescope at Yerkes Observatory, USAGreat telescope at Yerkes Observatory, University of Chicago, Williams Bay, Wisconsin, USA
Two foot reflecting telescope, Yerkes Observatory, Wisconsin, USA - early 1900s
Yerkes Observatory two foot reflecting telescope
Charles Tyson Yerkes, Metropolitan District RailwayCharles Tyson Yerkes, owner of the Metropolitan District Railway. circa 1900s
Charles Tyson Yerkes first deal selling soap. circa 1870s
CHICAGO EXHIBITION - 7The Yerkes telescope Date: Summer 1893
The Great Yerkes Telescope, Chicago University, USAThe Great Yerkes Telescope, Chicago University, Williams Bay, Wisconsin, USA
Telescope at Yerkes Observatory, USAThe eye-end of the 40 inch telescope with double-slide plate carrier - Yerkes Observatory, University of Chicago, Williams Bay, Wisconsin, USA
Charles Tyson YerkesCHARLES TYSON YERKES engineer Date: 1837 - 1905
Piccadilly Circus TubePiccadilly Circus station, on the Great Northern, Piccadilly and Brompton Railway : the American financier C T Yerkes master-minded this much-needed extension to the system
Chicago Exhibition - 7The Yerkes telescope is an impressive exhibit at the Chicago Exhibition, 1893