Earth thermometer, centigrade, sheathed, with paper scale, by Max Bossecker, Schmiedefeld a[m] R[heim]. Bulb and short stem bent at slight angle to main tube. Marked B 762/43, 5 Ctm, Jenaer Normalglas 16III, dated 1943. Scale -25 to 45 Earth thermometer 1943
Earth thermometer, maximum and minimum, mercury and alcohol-in-glass, fahrenheit, tube bent 8 inches above bulb. Made by C.F. Casella and Co. Ltd, London. Marked MO 18203, 8974 and NPL25 certified in 1925. Min scale 20 to 125, max scale 15 to 100 Earth thermometer
Earth thermometer, centigrade, sheathed, mercury-in-glass, with paper scale. By Max Bossecker, Schmiedefeld a[M] R[hein]. Bulb and part of stem bent at slight angle from main tube. Marked centigrade.B 1103/44, 10 Ctm., Jena Normalglas 16III. Dated 1944. Scale -21 to 41 Earth thermometer 1944
Earth thermometer, mercury-in-glass, fahrenheit, made by G. H. Zeal Ltd., London. Marked Ref no Met 21417 Mk1C MO 23232/64. Tube through 90 degrees. Dated 1964. Scale 20 to 100 Earth thermometer 1964
Earth thermometer, alcohol and mercury-in-glass, fahrenheit, maximum & minimum, Six's type, unsigned but initialled G. H. Zeal Ltd.. Tube bent to less than right angle, with horizontal Six's thermometer. Marked 2147. [Date 1950s]. Scale 20 to 120 Earth thermometer 1950-1959
Bent-stem earth thermometer by C.F. Casella and Co. Ltd, c. 1925. Bent-stem earth thermometer by C.F. Casella and Co. Ltd 1925
Earth thermometer, Six's, maximum and minimum, fahrenheit, alcohol and mercury-in-glass, made by G. H. Zeal Ltd., London. Tube bent to form angle less than right angle with Six's thermometr. Marked D.D.B. 9842. Scale 20 to 120. [Date 1950s] Earth thermometer
Earth thermometer, alcohol and mercury-in-glass, fahrenheit, maximum & minium, Six's type, unsigned but initialled G. H. Zeal Ltd.. Tube bent to less than right angle, with horizontal Six's thermometer. Marked 2148. [Date 1950s]. Scale 20 to 120 Earth thermometer 1950-1959
Soil thermometers, 10cm - Met Ref 21411, and 20cm - Met Ref 21412, 1997 in two boxes. Soil thermometers 1997
Earth thermometer, Six's, maximum and minimum, spirit and mercury-in-glass, centigrade, by G. H. Zeal Ltd., England. Marked Ref No 21430, MO 26440/72. Tube bent at near right angle, fixed to horizontal Six's thermometer. Dated 1972. Scale -7 to 38 Earth thermometer 1972
Earth thermometer, unsheathed, centigrade, made by J. Hicks, 8,9 and 10 Hatton Garden, London, serial no.1335428. Scale 12 to 30. Tube at nearly 90 degrees Earth thermometer
Earth thermometer, mercury-in-glass, fahrenheit, made by Brannan, London. Marked Mk1A MO 21415, MO 24903/68. Dated 1968 earlier, scale 20 to 100 Earth thermometer
Earth thermometer, mercury-in-glass, centigrade. Unsigned. Tube bent at right angles. [ Date 1960s]. Scale 0 to 100 Earth thermometer 1960-1969
Earth thermometer, maximum and minium, mercury and alcohol-in-glass fahrenheit, by Negretti & Zambra, London. Marked MO 18202, N & Z, NPL25-26. Certified in 1925-26. Scale 20 to 100 Earth thermometer 1925
Earth thermometer, Six's, maximum and minimum, alcohol and mercury-in-glass, fahrenheit, made by G. H. Zeal Ltd., England. Tube bent at right angles to Six's thermometer. Marked Ref No MET 1607, MO 24833/68. Dated 1968. Scale 20 to 120 Earth thermometer 1968
Earth thermometer, mercury-in-glass, fahrenheit, by Short & Mason Ltd.,, London, England. Tube bent at right angles. Marked 8" immersion, 6249/66. Dated 1966. Scale 20 to 100 Earth thermometer 1966
Earth thermometer, mercury-in-glass, fahrenheit, made by Zeal, England. Marked Met 21416 Mk1B MO 26232/71. Dated 1971. Scale 20-100 Earth thermometer 1971
George James Symons type earth thermometer, with iron tube, by Louis Paschal Casella, 1874 George James Symons type earth thermometer, by Casella, 1874 1874
Modified Symons earth thermometer, by Hicks, with iron tube. George James Symons type thermometer, 1917