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Trade journal "Die Umschau" (˜1934) In this collection since: 20.08.2017 |
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| 0970 |
Trade journal "Die Umschau" from Germany. The Umschau was a technology and science magazine that appeared weekly. Issue number 36, which was published on September 2, 1934, writes about the theme: "What a fire helmet must endure" (Was ein Feuerwehrhelm aushalten muß). The article, written from Dr. Ing. Gelbert, comes to the conclusion that leather helmets don’t offer a suitable protection. As alternatives to the leather helmet the characteristics of helmets made from vulcan fibre, steel helmets and light metal helmets are considered. In doing so, the author argues that the "new" helmet has to withstand temperatures of up to 120 ° C and thereby protect against falling beams and angular iron pieces. Dr. Ing. Gelbert shows pictures of drop tests and how to test the heat protection capability. These experiments were carried out at the Chemisch-Teschnisches Reichsanstalt in Berlin. The determination of the temperature limit of 120 ° C was determined in the field trial. A protected firefighter had to go with a helmet so far in front of a burning wood pile as he could endure the temperatures. Thermometers indicated a temperature of 90-120 ° C. The tests on the helmets showed that during the first 7 minutes all helmets offered about the same protection against heat transfer. Only then did the superiority of the light metal helmet become apparent. Also the electrical conductivity and the protection against electricity were treated in the article. Ultimately, the strength test gave the suggestion for the recommendation of the Leichtmetallhelmets (Aluminum helmets). On May 3, 1934, the Minister of the Interior of Prussia issued the order for the Prussian fire departments, that leather helmets must henceforth be replaced by all-metal helmets. See helmets 0005, 0377, 0488 Germany |
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| Also look at: | Third Reich until 1945, 5 Weimar Republic until 1933, 377 Weimar Republic until 1933, 488 |
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