Log in to see this item in other languages
Protractor
Protractor consisting of a circle divided into 360°. Inside the upper half of the circle is a graduated semicircle; the lower half contains a rectangular plate with a double graduation into ten equal parts. The instrument was used to plot routes on sea charts and reproduce the bearings taken with the [...]
Creator
- Europeana
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Mathematics
- mathematics
- Geometry
Type of item
- Protractor
- Mathematical instrument
- protractors
Medium
- brass
- Brass
- brass (alloy)
Creator
- Europeana
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Mathematics
- mathematics
- Geometry
Type of item
- Protractor
- Mathematical instrument
- protractors
Medium
- brass
- Brass
- brass (alloy)
Providing institution
Rights statement for the media in this item (unless otherwise specified)
- http://rightsstatements.org/vocab/InC/1.0/
- http://rightsstatements.org/vocab/InC/1.0/
Rights
- © Museo Galileo - Istituto e Museo di Storia della Scienza
Creation date
- late 16th cent.
- 1600
- 1581
Places
- English
Identifier
- urn:imss:instrument:402062
Extent
- diameter 90 mm
Language
- eng
- ita
Is part of
- Medici collections
- Dudley collection
References
- http://catalogue.museogalileo.it/biography/RobertDudleyDukeOfNorthumberland.html
Year
- 1600
- 1581
Providing country
- Italy