Diagram depicting the Grand Theodolite; a surveying instrument with a rotating telescope for measuring horizontal and vertical angles. Invented by Jesse Ramsden (1735-1800) an English mathematician; astronomical and scientific instrument maker. Dated 19th Century

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Diagram depicting the Grand Theodolite; a surveying instrument with a rotating telescope for measuring horizontal and vertical angles. Invented by Jesse Ramsden (1735-1800) an English mathematician; astronomical and scientific instrument maker. Dated 19th Century

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Size: 6895px × 9125px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

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