radiosonde mechanism
Datecirca 1910
Inventory Number1998-1-0840
ClassificationRadiosonde
Subject
Maker
American
Dimensions18 × 10 × 5 cm (7 1/16 × 3 15/16 × 1 15/16 in.)
Material
Descriptionradiosonde mechanism, an instrument for detecting and transmitting data on barometric pressure, temperature and humidity from the atmosphere. The instrument has a small aneroid and bimetal thermometer and is mounted on a rectangular wooden support.
The wooden support has six screws, spaced along either side. Five screws and one bolt secure the instruments to the support.
The wooden support has six screws, spaced along either side. Five screws and one bolt secure the instruments to the support.
Signedunsigned
Inscribedtyped label on support: Barometer, Temperature and / Humidity gauges to be put / up with a kite. The early / form of weather balloon;
black marker note on bottom corner of support: RMF 98;
faded marker note on the top corner: 6
Blue Hill Meteorological Observatory
Date: ca. 1920-1937
Object number: 1998-1-0842
Feiber Instrument Company
Date: ca. 1930-1936
Object number: 1998-1-0872a
Feiber Instrument Company
Date: ca. 1930-1936
Object number: 1998-1-0873
Blue Hill Meteorological Observatory
Date: ca. 1935-1945
Accessories: card with instrument info
Object number: 1998-1-0875
Blue Hill Meteorological Observatory
Date: ca. 1920-1940
Object number: 1998-1-0829
Feiber Instrument Company
Date: mid 20th Century
Accessories: see Curatorial Remarks
Object number: 1998-1-0820
Blue Hill Meteorological Observatory
Date: ca. 1890-1940
Object number: 1998-1-0570