Museo Galileo
italiano
Virtual Museum
Discorso sopra alle misure che fa un pugnale, Anonymous (facsimile)
    • Setting:
      Room VI
    • Author:
      unknown
    • Date:
      original 16th cent. / facsimile 2010
    • Dimensions:
      facsimile 30x20,5 cm
    • Inventory:
      Firenze, Biblioteca Riccardiana, Ed. Rara 120
    • Discorso sopra alle misure che fa un pugnale, Anonymous (facsimile)

The treatise belonged to Bartolomeo Ammannati but may have been written by a captain of the Medici army. It illustrates the operations of an unusual dagger -shaped compass. The instrument could be used as a sundial, plumb level, drawing compass, geometric square, and magnetic surveying compass.

Related objects