"Thermometers showing the corresponding points for water's freezing and boiling." -Avery 1895

Fahrenheit and Celcius scale Thermometers

"Thermometers showing the corresponding points for water's freezing and boiling." -Avery 1895

An illustration of thermometers in Fahrenheit and centigrade/Celsius with freezing and boiling labeled.

Fahrenheit and Centigrade Thermometers with Boiling and Freezing Labeled

An illustration of thermometers in Fahrenheit and centigrade/Celsius with freezing and boiling labeled.