California Institute of Technology > Image Archive > Galileo, illustration of the use of the compass, from Le Operazione del Compasso Geometrico et Militare (The Operation of the Geometric and Military Compass), Padua, 1606

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Title
Galileo, illustration of the use of the compass, from Le Operazione del Compasso Geometrico et Militare (The Operation of the Geometric and Military Compass), Padua, 1606
Date Created and/or Issued
1606
Contributing Institution
California Institute of Technology
Collection
Image Archive
Rights Information
Materials from the Caltech Archives are made available online for research purposes. Permission for reproduction, distribution, public display, performance, or publication must be obtained in writing from the Head of Archives. The Caltech Archives makes no representation that it is the copyright owner in all of its holdings. It is the responsibility of the user to obtain all necessary rights and clearances for use of materials. For questions, contact Head of Archives.
Description
Galileo designed his geometric and military compass ("compasso geometrico e militare") in 1597. Known in English as the sector, the compass was widely used until the invention of logarithmic tables. In Galileo's model, an arc could be inserted between the two arms of the compass to make the instrument into a quadrant. A plumb bob could be attached.
1606
Type
Image
Format
Photographs
Negatives
Identifier
ct1:3378
http://archives-dc.library.caltech.edu/islandora/object/ct1%3A3378

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