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Theodolite
This instrument, made by Augustine Ryther, is one of the oldest models of theodolite extant. It comprises a horizontal circle with a degree scale on the circumference and an inscribed shadow square. At the center pivots a diopter with a magnetic compass. The compass carries a holder for a vertical semicircle [...]
Creator
- Augustine Ryther
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Mathematics
- mathematics
- Geometry
Type of item
- Mathematical instrument
- Surveying instrument
- Theodolite
- surveying instruments
- theodolites
Medium
- brass
- Brass
- brass (alloy)
Creator
- Augustine Ryther
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Mathematics
- mathematics
- Geometry
Type of item
- Mathematical instrument
- Surveying instrument
- Theodolite
- surveying instruments
- theodolites
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
- 1590
- 1590
- 1590
- 1590
- 1590
Places
- English
Identifier
- urn:imss:instrument:402065
Extent
- max. diameter 235 mm
Language
- eng
- ita
Is part of
- Medici collections
- Dudley collection
References
- http://catalogue.museogalileo.it/biography/AugustineRyther.html
Year
- 1590
Providing country
- Italy