Recording Vapour-pressure Thermometer, 1950-52
1950-1952
Thermograph by F. Darton & Co., London, England, 1
1900-1910
Thermograph by Wilson, Warden of London, c.1950
1950
Izuzu quartz precision thermograph
Paper Temperature Recorder, Galvanometer Type, 1901-22
1901-1922
Whitehouse experimental thermograph, c. 1872.
1872
Bimetallic Thermograph, 1901-1920
1901-1920
Thermograph, bimetallic, incomplete (lacks clock and drum)
1910
Aircraft thermograph, c. 1920, "Simplex" type.
1920
Thermograph used on 1901 Antarctic Expedition
1900-1901
Callendar Temperature Recorder, 1897
1897
Single-Pen Electrical Temperature Recorder, 1970-78
1970-1978
Thermograph scale, for Kew, dry bulb, MO 533
Thermograph scale, for Kew, [wet] bulb, MO 533
Single Thread Temperature Recorder, 1910-14
1910-1914
Photothermograph used at Radcliffe Observatory, Oxford
1867