Reamur's temperature scale







The Réaumur temperature scale was a scale established in 1730 by the French naturalist René-Antoine Ferchault de Réaumur, with its zero set at the freezing point of water and its 80 mark at the boiling point of water at normal atmospheric pressure. Use of the Réaumur scale was once widespread, but by the late 20th century it had practically disappeared.

To convert Reaumur into Fahrenheit you multiply by 9, divide by 4 and add 32.
To convert Reaumur into Celcius, which is the scale I relate to, you multiply by 5 and divide by 4.
This would mean that when the Russian winter was at its coldest, Napoleon's army experienced - 35,5 degrees celcius, or ?? degrees Fahrenheit. Figure it out!!
Map Background Smolensk Borodino Moscow Berezina The end About the map Napoleon Alexander War and Peace