Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Yerkes Observatory C2

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Yerkes Observatory C2

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Image title: 
Three unidentified men inside of the Alvan Clark and Sons Telescope Factory
Credit line: 
Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives

Evidently the only known surviving photograph showing the interior of the Alvan Clark and Sons telescope factory. Three men standing alongside the 2-element, 40-inch objective lens in its heavy cell; C.A. Robert Lundin is the man on the left.

This is a copy of an original small photograph presented to the Observatory by Ruth Douglass, the daughter of C.A. Robert Lundin.

Photo date: 
circa 1895
Original format: 
1 photographic print (black and white; 8 x 10 inches)