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In-depth: Protractor (goniometer)
Generic name for instruments used to divide circles and measure plane angles. They can be circular, semicircular or rectangular. To increase its accuracy, the protractor was often inserted in a nonius, a device for enhancing the precision of the measurements made by a direct readout on a graduated scale. [...]
Creator
- Europeana
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Type of item
- In depth
Creator
- Europeana
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Type of item
- In depth
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
Issue date
- 2010
- 2010
Identifier
- urn:imss:indepth:100176
Format
- text/image
Language
- eng
- ita
Is referenced by
- http://catalogue.museogalileo.it/object/BoxMathematicalInstruments.html
Year
- 2010
Providing country
- Italy