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Maximum thermometer

Earth thermometer, by Max Bossecker, 1943

1943
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, 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 thermomether, mercury in glass, sheathed, centigrade, paper scale, by Max Bossecker, Schmiedefeld a[M] R[hein]. Tube and part of stem bent at right angle to main body. Marked B.1079/44, 20 Ctm, Jenaer Normalglas 16III. Dated 1944. Scale -15.8 to 35

Earth thermomether

1944
Minimum thermometer, centigrade, spirit-in-glass, sheathed, by Max Bossecker, Schmiedefeld. Marked TLMG 8746 1938. [Serial no] 3139/438. Scale -42.5 to 35. Dated 1938

Minimum thermometer

1938