Caption: Side-by-side comparison of schematic thermometers with the Celsius temperature scale and the obsolete Fahrenheit temperature scale.
Credit/Permission: David Eccles (AKA
User:Gringer),
2010 /
Public domain.
Image link: Wikimedia Commons:
File:Thermometer CF.svg.
Local file: local link: thermometer.html.
File: Thermodynamics file:
thermometer.html.