Museo Galileo
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Virtual Museum
Proportional compasses
    • Setting:
      Room VI
    • Maker:
      Pierre Le Maire
    • Place:
      Paris
    • Date:
      18th cent.
    • Materials:
      brass
    • Dimensions:
      length 175 mm
    • Inventory:
      3676
    • Proportional compasses (Inv. 3676)

Flat-legged proportional compasses with the polygon scale, scale of chords, and scale of artillery-shot diameters on the front. The back carries the polyhedron scale, the metal scale, and the caliber scale. The instrument was clearly for geometrical and military use. Like item inv. 3677, signed by Pierre Le Maire.