by Jan Willem Bech | Database OX GER
de Dräger model BG 170-400 The successor to model BG 160 The Dräger BG 170/400 is a special breathing device for miners. It lets them breathe fresh gas even in dangerous environments because it recycles the gas they exhale. Unlike older models like the BG 1924 and BG...
by Jan Willem Bech | Database OX GER
de Dräger model BG4 The successor to model BG174 The BG 4 closed-circuit breathing apparatus is a regeneration device with a pure oxygen supply in a pressurized design. The low positive pressure in the entire breathing circuit prevents the penetration of harmful...
by Jan Willem Bech | Database OX GER
de Dräger model BG PSS Plus The successor to model BG4 See detailled information on the Dräger websites
by Jan Willem Bech | Database OX GER
de Dräger model BG PRO Air The successor to model BG PSS Plus See for detailled information the Dräger Websites
by Jan Willem Bech | Database OX GER
de Dräger model BG 160 A The successor to model BG 130 The Dräger device model 160 was designed by Dräger in 1933. The device was launched on the market in 1934. BG stands for Bergbau – Gerät. The breathing apparatus features a lever that activates a metering...
by Jan Willem Bech | Database OX GER
de Dräger lifesupport system in Auguste Piccard balloon 1931 German contribution by Dräger to the Piccard 1931 balloon flight The exploration of the upper regions of Earth’s atmosphere commenced in the early 20th century. This particular area exhibits...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
The long-actuated 1924 Bergbaugerät succeeded the 1923 model. The breathing apparatus has similarities with the 1924 HSS gerat, which was developed for military purposes and was carried lower on the back. The casing is also different. The housing of the Modell 1924...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
The back-mounted fire and rescue unit was developed by Dräger in 1924. It was used to fight fires for civilian purposes and in the mining industry. Further information on this device is required in addition to this datasheet. Courtesy: Deutsches Bergbau-Museum Bochum,...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Dräger Sauerstoff Klein Gasschützgerät Modell KG210 KG stands for ‘Klein Gasschutzgerät’ and was developed between WW1 and WW2. The model KG2100 was the successor to model KG1928 and was produced in large numbers. It was designed for civil defence and fire...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Dräger Sauerstoff Klein Gasschützgerät Modell KG130 KG stands for ‘Klein Gasschutzgerät’ and was developed between WW1 and WW2. The model KG130 was the successor to model KG1928 and was produced in large numbers. It was designed for civil defence and fire...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
KG stands for ‘Klein Gasschutzgerät’ and was developed between WW1 and WW2. The model KG1928 was the basis for a successful series of KG 130 and KG160. The KG130 was widely used for gas protection which, with WW1 still in mind, was considered a major...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
The development of the Tauchretter After the French submarine Farfadet sank in 1905, followed by the Pluvoise and the German U3 in the German Bight, it was decided in Germany to develop rescue equipment for submarine crews. This resulted in the development of the DM1,...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Dräger Höhenatemanlagen, high altitude devices The Deutsches Museum in Munich (Germany) is Germany’s largest and oldest museum of the history of science and technology. The museumhas a large aviation section, including items from aviation medicine and suits. The...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Dräger high altitude atmer or Flugzeug Tauch Retter In 1913 there are two different types of breathing apparatus developed bij Dräger—one for high Altitudes in balloons and the other for mounteneering. The Draeger, for blended high altitude flying, has an oxygen store...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
The development of the Badetauchretter 1915 In 1913, following the DM1, Draeger designed the DM2 and the D2 Tauchretters, an apparatus for rescuing drowning persons. The first model, the Dräger Baderetter from 1913, was an apparatus that showed great similarities with...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
In 1930, Inhabat produced a very special diving apparatus that used the Naszogen technique. This made the apparatus very light and it weighed only 4.8 kg. It was possible to dive for 30 minutes. The oxygen supply was 2.5 litres per minute. The manufacturer...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
1924 Hagenuk Audos MR 3 oxygen rebreather In 1924, Hagenuk worked closely with the manufacturer AUER. The name Auer came from the Deutsche Gasglühlicht-Auer-Gesellschaft mbh Berlin, or DGAG. Audos devices had a long history which is described on this page. Read...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Around 1930, Inhabad produced a water diving apparatus called the Inhabad O2-350 system. This system made use of oxygen candles that generated 2.5 litres of oxygen per minute. The unit was used to dive to depths of 15 metres (!) on pure oxygen. The unit is supplied...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Bergbau-gerät 1923 with breathing operated oxygen addition Inflation and economic crisis force the Dräger Company to close its plant and lay off all its workers. After the end of the war(1914-1918), the market for Dräger products shrinks; the Company is forced to turn...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Development of the Dräger lungenkraft dossiergeräte During the First World War, the first breathing apparatuses with breath-controlled dosage were designed and used. Examples of these early types are the HSS gerat (link) and Selbstretter Dräger Tübben (link). In other...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
Inhabad Gastauchgerät modell 1923 The Inhabad Gastaucher is a breathing apparatus designed by Professor Woltersdorf. Woltersdorf, a professor at the Breslau University of Applied Sciences (12-08-1875 – ?), was the ‘bergassessor’ of the...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
1920 Dräger Lungenautomatisches Überdruckgerät, versuchgerät In 1920 the period in which mainly injector systems were used came to an end. More and more manufacturers were producing lung-controlled systems that injected the gas dose via the counter lung. The picture...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
1919 SS-1, 1920 SS-2 en het 1921 SS-gerät In 1921, Dräger developed one of the first Seitenschlauchgeräte, a device in which the hoses run under one arm to the back of the wearer. A positional injector was also introduced. A pressure gauge on the wearer’s side...
by Jan Willem Bech | Database Oxygen Rebreathers, Database OX GER
The next pictures show the rare Draegerolith, a liquid oxygen rebreather from...
