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Adjustable slit
A brass plate with a square aperture is fixed to the center of a small shaped wooden board. Two iron blades, placed opposite the aperture, form a vertical slit. By means of a screw with a return spring, it is possible to slide one of the blades and thus adjust the width of the slit. The device was made [...]
Creator
- Gaspero Mazzeranghi
Publisher
- Museo Galileo - Istituto e Museo di Storia della Scienza
Subject
- Optics
- optics
Type of item
- Diaphragm
- scientific instruments
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
- second half 18th cent.
- 1800
- 1751
Places
- Florence
Identifier
- urn:imss:instrument:406038
Extent
- 240x140x230 mm
Language
- eng
- ita
Is part of
- Lorraine collection
References
- http://catalogue.museogalileo.it/biography/GasperoMazzeranghi.html
Year
- 1751
- 1800
Providing country
- Italy