| Abstract: |
Barometer and thermometer inscribed "Barometre Thermometre de Reaumur par Dinon". On right a Réaumur (spirit) thermometer, reading from -18 to +41. At various points there are marking such as 1709, 1767, 1740, Glace, Froid, Temperé, Paris, 1750, Senégal. On left a barometer (broken at top), reading from 0 to 29,1 pouces. Wooden frame painted with decoration in leaves and flowers. Both tubes of capillary. |