Leather case: scuffs, tears. Lack of suspension belts. On the metal case single shallow scratches and scuffs. The altimeter barometer for aircraft and airships of the air forces of Kaiser Germany in the 1st World War was produced by Otto Bohne Nachf. The altimeter is fully operational, the pressure and altitude shows correctly. This model of the altimeter measures the altitude of the aircraft or airship from 0 to 3500 m. The base height is set by turning the knob located on the body to the right, while the outer scale 0-3500 rotates right-left when setting the base height of the airfield. On the back of the altimeter in the oval brand name O. To the right of it is a hole, it can see the slot of the adjustment screw of the atmospheric pressure of this point of the terrain. Very rare copy of the navigation equipment of German aircraft, airships and balloons since the 1st World War. Of interest to fans of aviation history. The item “Rare 1914 WW1 Antique Otto Bohne Holosteric Barometer Luftwaffe Leather Case” is in sale since Wednesday, March 6, 2019. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “vasiliy.dvk-7″ and is located in Europe. This item can be shipped worldwide.

• Original/Reproduction: Original

Hello dear friends, offering for sale rare find. This is a high quality antique Military brass cased Aneroid Holosteric Compensiert aviation altimeter barometer. Circa 1915 WWI German Otto Bohne brand marked on back”OB” Used by German Airforce with aircrafts, airships and balloons during the Great war. Silvered engraved dial with many graduation scales and altimeter function. Crescent shaped precision”Celsius” graduated thermometer to the base -10 to 60 degree. Molded solid nickel brass case with beveled edge glass. Serial # 5562 engraved on the dial. Comes with original leather caring case with lings. The case with detached lid so it is need to be sewn again. The barometer itself in excellent condition with clearly readable scales and visible degree. The photos with the aircraft is only for education propose no for sell. Measures: 5 1/2” diameter x 2 1/4” depth barometer only. Please, be sure to view all photos carefully as they are included as part of the item description. I sell antique and vintage collectible stuff – unique items that have history, and may show signs of this – it is part of their charm. I try to describe any obvious faults as truthfully as I can. However, as most of my items are 100 years old, they will often bear the traces of a previous life. Terms: All items are genuine and original. Each item will be nicely and securely packed to protect against unwanted damage during transit. Questions: All questions are welcome, and will by answered in time. The item “WWI 1915 German Otto Bohne Holosteric Compensiert Aviation Altimeter Barometer” is in sale since Thursday, November 15, 2018. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “feltfedora” and is located in EU. This item can be shipped worldwide.

Up for sale is this antique Otto Bohne barometer, in its original leather case and with its instructions. There is some wear to the leather case and light wear to the barometer’s finish. The instructions are folded, tattered and torn. The case measures about 4 1/2″ x 3 1/2″. Please view all 12 photos to help judge condition. The item “Rare Antique Otto Bohne Holosteric Barometer With Leather Case & Instructions” is in sale since Thursday, October 19, 2017. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “matteov772012″ and is located in North Haven, Connecticut. This item can be shipped worldwide.

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.