Barometer is an instrument for measuring atmospheric pressure. The barometric pressure generally. Indicates changes 12 to 24 hours in advance. Therefore, the barometer is used to anticipate and. Forecast, rather than indication of current conditions. The barometer presented here is holosteric type (aneroid). It measures pressure mechanically, without the use. Of fluids, by means of an evacuated hollow metallic diaphragm. The barometer is made by. The German inventor Otto Bohne Nachf. Who made meteorological instruments of excellent quality and. Technologic innovation between 1863 and 1927. The barometer we have is made around 1890. Has a custom, padded thick leather case with brass locks. Rotating middle dial ring via the circular lever on the side. Has general wearing due time. No damages, no dents, no cracks on the dial glass cover. Barometer diameter: 120 mm. Leather case height and width: 150 mm x 135 mm. Pretty fascinating, antique Otto Bohne aneroid barometer with custom leather case. Will make an impressive, authentic decoration for lodges, clubs and bars. The item “OTTO BOHNE NACHF. HOLOSTERIC BAROMETER With PADDED LEATHER CASE, BERLIN 1890″ is in sale since Saturday, August 29, 2015. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “gunion68″ and is located in Voronezh, default. This item can be shipped worldwide.
