Antique Collectible wooden Barometer Imperial Russian Empire Royal Russia Tsar. Device In working condition. The magnificent work of wood masters. Please see the photo. For the first time, the barometer was invented and described in the work Opera geometrica in 1644 [...]
Archives for July 3, 2020
Short & Mason Braille Barometer
Short & Mason Braille Brass Barometer. Most unusual and unique brass barometer by Short & Mason of London intended to be read by the blind. No glass enclosure so that the hand can sense the position of the needle over the raised Braille numerals. We tested it by enclosing in a sealed ziploc [...]