Galileo's compass - History of an invention

History


	History of an invention

	Comparison between compasses

	The compass game


Biographies
	Galileo Galilei	Cosimo II de' Medici
	Baldassarre Capra
Instruments
	Galileo's geometric and military compass	Folding rule
	Mordente compasses	"Radio latino"
	Military proteus (Museum of the History of Science, Oxford)
Digital Library
	Galileo's Operazioni del compasso geometrico et militare	Defence of Galileo Galilei... against the calumnies and pretences of Baldassar Capra