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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 [...]
Kreatur
- Gaspero Mazzeranghi
Pubblikatur
- Museo Galileo - Istituto e Museo di Storia della Scienza
Suġġett
- optics
- Optics
Tip ta' oġġett
- Diaphragm
- scientific instruments
Istituzzjoni fornitriċi
Aggregatur
Dikjarazzjoni tad-drittijiet tal-midja f'dan ir-rekord (sakemm mhux speċifikat mod ieħor)
- http://rightsstatements.org/vocab/InC/1.0/
- http://rightsstatements.org/vocab/InC/1.0/
Drittijiet
- © Museo Galileo - Istituto e Museo di Storia della Scienza
Data tal-ħolqien
- second half 18th cent.
- 1800
- 1751
Postijiet
- Florence
Identifikatur
- urn:imss:instrument:406038
Limitu
- 240x140x230 mm
Lingwa
- eng
- ita
Huwa parti minn
- Lorraine collection
Jagħmel referenza għal
- http://catalogue.museogalileo.it/biography/GasperoMazzeranghi.html
Sena
- 1751
- 1800
Pajjiż fornitur
- Italy