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Duc de Chaulnes's focometer
One of the micrometers mounted on microscope inv. 3202 can be fitted to the guide of a brass frame. To the micrometer was fixed a second vertical frame bearing a small glass plate covered with powder obtained from butterfly wings. A brass plate with a small hole was set up in parallel with the glass [...]
Creator
- Michel-Ferdinand d'Albert d'Ailly, Duc de Chaulnes
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Optics
- optics
Type of item
- Focometer
- focometers
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
- ca. 1770
- 1770~
- 1770~
- 1770
- 1770
Identifier
- urn:imss:instrument:406050
Extent
- 210x110x175 mm
Language
- eng
- ita
Is part of
- Lorraine collection
References
- http://catalogue.museogalileo.it/biography/MichelFerdinandAlbertAillyDucDeChaulnes.html
Year
- 1770
Providing country
- Italy