For liquids heavier than water
Ref. temperature: 60°F
Scale unit: 1°Twaddle
With thermometer (+13 to +27°C in 0.1°C)
Total length: 440 mm
Ref. temperature: 20°C
Total length: 350 mm
Ref. temperature: 15°C
Total length: 190 mm
With thermometer (+13 bis +26°C in 0.2°C)
Ref. temperature: 20°C
Total length: 400 mm