Mensuration: a man using an inclinometer (?) and trigonometry to measure a water-tank (?) in a field. Engraving, ca.1760.

Reference:
46695i

Licence: Public Domain Mark

Credit: Mensuration: a man using an inclinometer (?) and trigonometry to measure a water-tank (?) in a field. Engraving, ca.1760. Wellcome Collection. Source: Wellcome Collection.

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