From object
Shelfmark:	20106-0000 Musée des arts et métiers-CNAM  (Paris France)	Suggestions & Corrections
Type:	instrument
Dimension:	H.: 49: W.: 17,5; L.: 17,5; Mass: 2460 g.

Component's data
Thematic group:	Instruments
Type:	apparatus
Abstract:	A de Saussure's hygrometer by Richer, marked 'Richer breveté du Roi N° 10'. Similarly on the upright, although only 'du Roi' is visible, but here is inscribed also 'a Paris 1788'. Circular disc reads from 0 to 100, marked every ten divisions as 10, 20, 30, etc.. Also marked 'Sec' near 0 and 'Humide' near 100. The thermometer (bulb broken) has Réaumur scale (from -20 to 80) on right and Fahrenheit (from -10 to 212) on left. Brass mounting on two tired wooden base with feet.

Related components	(1)

bibliography
	book
		bibliographic reference	Lavoisier's Collection of Instruments: A Checkered History...

1 record

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Attributes
Person	City	Cronology	Position
name: -	name: Paris	date/range: 1952 date of: donation epoch: 20 (2°)
name: Antoine Laurent Lavoisier resp.: owner	name: Paris	date/range: 1788 date of: construction epoch: 18 (2°)
name: unknown Richer resp.: maker	name: Paris	date/range: 1788 date of: construction epoch: 18 (2°)
name: Horace Benedict de Saussure resp.: author	name: Genève	date/range: 1788 date of: construction epoch: 18 (2°)

Subject/s
	Discipline	Topic		Argument
	Meteorology		Apparatus	Hygrometer

Digital version:  2  Image/s

 

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