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Alluard hygrometer [1 record]
Record 1 - internal organization data 2010-03-08
Record 1, English
Record 1, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
Record 1, Main entry term, English
- Alluard hygrometer
1, record 1, English, Alluard%20hygrometer
proposal
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Hygrometer based on the determination of the dew or frost point by observing the condensation of the water vapor on the walls of the instrument. 1, record 1, English, - Alluard%20hygrometer
Record number: 1, Textual support number: 1 OBS
In the Catalog of Meteorological Instruments of the Museum of History and Technology, this instrument is referred to as "Alluard's modification of Reigneault dew-point hygrometer. (See USMH-1 p. 66). 1, record 1, English, - Alluard%20hygrometer
Record number: 1, Textual support number: 2 OBS
The Alluard hygrometer is used mostly in Europe. 1, record 1, English, - Alluard%20hygrometer
Record 1, French
Record 1, Domaine(s)
- Stations, instruments et équipements météorologiques
Record 1, Main entry term, French
- hygromètre d'Alluard
1, record 1, French, hygrom%C3%A8tre%20d%27Alluard
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Hygromètre à condensation. Le plus usité est l'hygromètre d'Alluard. Il se compose d'une boîte en métal dont une face latérale est nickelée, chromée ou dorée extérieurement et encadrée à petite distance d'une plaque de même nature. On envoie un courant d'air dans la boîte, pour provoquer la vaporisation de l'éther que contient celle-ci. La température s'abaisse. Lorsqu'elle devient égale à la température pour laquelle la pression de la vapeur d'eau atmosphérique est maximale, de la vapeur se condense sur la paroi de la boîte, paroi qui devient mate alors que la plaque qui l'encadre reste brillante. 1, record 1, French, - hygrom%C3%A8tre%20d%27Alluard
Record 1, Spanish
Record 1, Textual support, Spanish
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