Eight-inch repeating theodolite with Vertical Circle and Short Telescope arranged for measuring zenith distances - Antiquarian bookplate illustration

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Illustrative plate from "The Final Results of the Triangulation of the New York State Survey, Together with a Description of the Methods Employed. Also, the Eleventh Annual Report of the Commissioners of the State Survey. Transmitted to the Legislature, March 22, 1887" - This image has been cropped to show only the illustration and caption with uniform borders. Another version is available here showing the entire original plate with larger borders.

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Size: 7200px × 8800px
Location: New York
Photo credit: © Antiquarian Images / Alamy / Afripics
License: Royalty Free
Model Released: No

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