Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Whirling Psychrometer, 1950-1953

1950-1953

Wet and dry bulb psychrometer for humidity measurement

1960-1970

De Saussure hair hygrometer by Gourdan

Lloyd's hygrodeik by Taylor Bros.

Hygrometer, Göttingen, Germany,

Air hygrometer, Gas Referees' pattern.

Whirling hygrometer by Zeal

1985

Aspirated hygrometer by Cooke

1960

Edney swing hygrometer by Pastorelli and Rapkin

Daniell hygrometer by W. & S. Jones, circa 1825

1825

Dobson frost-point hygrometer, 1943

1943

Goldbeaters - skin hygrometer

Daniell hygrometer by Newman, 1819.

1819

Daniell hygrometer

1822

Mine type Hygrometer

Hygrometer with wet and dry bulb thermometers

1960-1975

Dines improved hygrometer

1879

Electric hygrometer element in sealed glass tube

1944

Frost point hygrometer

1951

Alluard's dew point hygrometer

1877

Mason's wet and dry bulb hygrometer

1850

Klinkerfues hygrometer

1870

Regnault's hygrometer

1943-1980

Dine's dew point hygrometer by L. Casella

1851-1950

Hygrometer element for variable-frequency radiosonde

1944

Oat-beard type Hygrometer, 1771-1830

1771-1830

Kater-type Hygrometer by Thomas Jones, London, 1811-1814

1811-1814

Franklin hygrometer, 18th century.

1701-1800

De Luc whalebone hygrometer by Hausmann, 1781.

1781

Aqueousmeter,Nicolle,1880.

1880

Hygrometer (wet & dry bulb) in wooden case

1981-1989

Recording hair hygrometer

Edney paper hygrometer by Pastorelli and Rapkin

1964

One model R.H.W (weekly rev.) Humatograph Recording Hygrometer

Portable hygrometer by Thomas Jones

1826

Lambrecht Hygrometer

1875-1900

Hygrometer by Casella, c.1950, in case

De Saussure hygrometer by Haus, 1824

1824

Daniell hygrometer, unsigned, 24 cm high

Hair hygrometer by Klinkerfues

1882

De Luc hygrometer by William Harris & Son

1850

Frost-point hygrometer, MO MkII, 1946

Absorbtion hygrometer, wooden strips, circa 1700

1700

Dew-point hygrometer by Secretan

1845-1900

Whalebone hygrometer by Devrine, Paris.

Small hygrometer surrounded by circular temperature scale in degrees Fahrenheit and Reamur

1801-1900

Daniell dew point hygrometer

1800-1899

Alluard's dew point hygrometer

1877

Daniel's dew point hygrometer

1891

Met Office hygrometer