Already Galileo Galilei discovered that the density of liquid is changed by varying temperatures.
These thermometers are manufactured on this principle.


GALILEI  THERMOMETER

art. 106
+18°C/+26°C - glass cruet - height cm 30
Ø 32 mm - 5 multicolour spheres - golden disks
art. 108
+18°C/+26°C - glass cruet - height cm 33
Ø 50 mm - 5 multicolour spheres - golden disks
art. 109
+16°C/+28°C - glass cruet - height cm 43
Ø 50 mm - 7 multicolour spheres - golden disks
art. 1091
+17°C/+26°C - glass cruet - height cm 52
Ø 50 mm - 10 multicolour spheres - golden disks
art. 1095
+8°C/+34°C - glass cruet - height cm 100
Ø 70 mm - 14 multicolour spheres 
art. 1096
+6°C/+36°C - glass cruet - height cm 150
Ø 70 mm - 16 multicolour spheres
art. 1092
+18°C/+26°C - glass cruet - height cm 28
width cm 9,5 - lacquered woody shell
5 multicolour spheres - golden disks

art. 1093
+16°C/+26°C - glass cruet - height cm 56
Ø 50 mm - 5 red spheres

 
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