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Click on photo to read about Galileo's telescope. Learn what he used to piece the instrument together, issues with the device, and his observations.

Galilean Compass

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Click on the photo to read about Galileo's invention of a geometric compass used for making calculations and geometric measurements

For a more detailed video of the compass click the link below.
http://catalogue.museogalileo.it/multimedia/GalileosCompass.html