Side-by-side diagrams of centigrade and fahrenheit thermometers, with boiling/freezing point of water labelled.
<ul><li>Original work: <a href="//commons.wikimedia.org/wiki/User:Gringer" title="User:Gringer">Gringer</a> / derivative work: <a href="//commons.wikimedia.org/wiki/User:Wertuose" title="User:Wertuose">Wertuose</a></li></ul>
2012-01-15
<a href="//commons.wikimedia.org/wiki/File:Thermometer_CF.svg" title="File:Thermometer CF.svg">Thermometer CF.svg</a>