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Hair hygrometer
This instrument is similar to the hygrometer described by Horace-Bénédict de Saussure c. 1780. It consists of a brass frame set on an iron base. The hygroscopic substance is a single hair. Its length varies slightly with the change in air humidity, actuating a pointer. There is also a mercury thermometer [...]
Autors
- Europeana
Izdevējs
- Museo Galileo - Istituto e Museo di Storia della Scienza
Temats
- Meteoroloģija
- meteorology
Digitālais objekts veids
- Hygrometer
- hygrometers
Autors
- Europeana
Izdevējs
- Museo Galileo - Istituto e Museo di Storia della Scienza
Temats
- Meteoroloģija
- meteorology
Digitālais objekts veids
- Hygrometer
- hygrometers
Piegādājošā iestāde
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Tiesības
- © Museo Galileo - Istituto e Museo di Storia della Scienza
Izveidošanas datums
- late 19th cent.
- 1900
- 1881
Vietas
- Italian?
Identifikators
- urn:imss:instrument:410060
Apjoms
- height 415 mm, width 89 mm
Valoda
- eng
- ita
Atsaucas uz
- http://catalogue.museogalileo.it/biography/HoraceBenedictDeSaussure.html
Gads
- 1881
- 1900
Nodrošinošā valsts
- Italy