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Horary converter disk
This horary disk has a revolving index, but other parts are missing. Despite its rather crude manufacture, it could convert the various types of equal hours most commonly used in Europe: Italian hours, Babylonian hours, and astronomical hours. There are two opposing semi-circular appendices. The surface [...]
Creator
- Europeana
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- astronomy
- Astronomy
Type of item
- Horary disk
- timepieces
Medium
- brass
- brass (alloy)
- Brass
Providing institution
Aggregator
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
- second half 17th cent.
- 1700
- 1651
Places
- Italian
Identifier
- urn:imss:instrument:401027
Extent
- diameter 117 mm
Language
- eng
- ita
Is part of
- Viviani collection
References
- http://catalogue.museogalileo.it/biography/VincenzoViviani.html
Year
- 1651
- 1700
Providing country
- Italy