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1939 Press Photo Inventor Dr. Frank E. Ross with a Blink Microscope - mjx13145

Every photo in our collection is an original vintage print from a newspaper or news service archive, not a digital image. Please see our FAQ for more information.

Description
This weird bit of apparatus is a blink microscope. It enables the astronomer to pick out a few particular stars among the thousands on photographic p

Photo dimensions are 11 x 9.25 inches.

Photo is dated 1939.

Photo back:

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