Antique Working Brass Bronze Reamur Thermometer 1900 Wood. The Réaumur scale, also known as the “octogesimal division”, is a temperature scale for which the freezing and boiling points of water are defined as 0 and 80 degrees respectively. The scale is named for René Antoine Ferchault de Réaumur, who first proposed a similar scale in 1730. The item “Antique Working Brass Bronze Reamur Thermometer 1900 Wood Octogesinal French” is in sale since Sunday, August 30, 2020. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “wksantiquesfl” and is located in Pompano Beach, Florida. This item can be shipped to United States.