Tropical sunshine recorder Mk IIIA by Casella
1959
Piche evaporimeter by Casella
[1965]
Clockwork aspirated psychrometer
Polymeter, relative humidity meter
1950-1970
Portable 3-cup anemometer by Casella London
1963
Psychrometer by Casella
Visibility meter MkII by Casella London
1943
Whirling psychrometer
1966
Eclimeter, British, 1910-1950
1910-1950
Sensitive' anemometer
1950
Whirling psychrometer
1940-1945
Reeve's patent night marching watch
1916
Assmann psychrometer by C. F. Casella
1919
3 cup sensitive anemometer
1942
Aspirated psychrometer by Casella
1930
Owens Dust Counter
1960-1969
Anderson's slide rule
Night sky camera by Casella
1939
Shielded Campbell-Stokes sunshine recorder Mk II
1952
Assmann psychrometer by Casella
1944
Clockwork aspirated psychrometer, Mk3
1971
Template pricker, 1950-1970
1950-1970
Frost point hygrometer
1951
Sunshine Recorder for Tropical Latitudes by Casella, 1925
1925
Frost point hygrometer
1951
Stand and fan for hand-operated Assmann psychrometer
1952
Case with 3 photothermograph scales
1957
Maximum and minimum thermometer by C.F.Casella
1908-1913
C.F. Casella and Co. Ltd personal air quality sampler, 1971-1980
1971-1980
Dial for Anemometer 'Meter No.3'
1940-1960
Hygrometer slide rule no T8563/1
1960-1970
White & Bean's area scale on transparent celluloid
1907
Run of wind anemometer by C.F. Casella
1940-1950
C.F. Casella and Co. Ltd cascade type dust grader, 1961-1970
1961-1970
3 cup sensitive anemometer by C.F. C (C.F. Casella and Co. Ltd)
1942
J.S. Dines' recording theodolite
1910-1920
School rain gauge by C.F. Casella and Co. Ltd
1936
Bennett-Casella visibility meter by C.F. Casella and Co. Ltd
1949
Revolution and Speed indicator
Field Meteorology Set
1942
5-inch transit theodolite by Casella
1924
Earth thermometer
Electric cup anemometer and portable receiver
1924
Three packets of hygrometer wicks
[1966]
Frame for whirling psychrometer
1920-1940
Glass discharge tube
1900-1925
Battery for Personal Gravimeric Dust Sampler
Frame for whirling psychrometer
1920-1940
C.F. Casella and Co. Ltd Manometer precision barometer, 1962
1962
Bent-stem earth thermometer by C.F. Casella and Co. Ltd
1925