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"The Home of the World's Greatest Refracting Telescope"
This is an original 1919 black and white halftone print of the Yerkes Observatory in Williams Bay, Wisconsin, home of the world's greatest refracting telescope.
This 94+ year old Item is rated Near Mint / Very Fine+. No creases. No natural defects. No surface rub. No tears. No water damage. Please note: There is printing on the verso.
Photography by the Yerkes Observatory.