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3 results filtered with: Trigonometry
  • Mensuration: a man using an inclinometer (?) and trigonometry to measure a water-tank (?) in a field. Engraving, ca.1760.
  • A mathematician standing before a blackboard, on which he has drawn a diagram. Engraving by I.S. Klauber after Le Fort after F. Bol.
  • Surveying: methods of surveying hills around a bay (?). Engraving by J.B.P. Tardieu.