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German state railway norms : ウィキペディア英語版 | German state railway norms
In German railway engineering, norms (''Normalien'') are standards for the design and production of railway vehicles. In the 1880s and 1890s, Prussian norms were developed for the locomotives, tenders and wagons of the Prussian state railways under the direction of the railway director responsible for railway engineering, Moritz Stambke. Later, these were largely adopted by the other state railways (''Länderbahnen'') in Germany. ==Engineering drawings== These norms are defined by engineering drawings to 1:40 scale on individual sheets and show the locomotives and wagons as full design drawings, referred to by their sheet (''Musterblatt'') numbers. The first drawings date from 1878. In 1885 the Minister for Public Works tasked the Hütte Academic Institute with the publication of the norms. The drawings were regularly updated as technical developments occurred. The last Prussian drawings were issued in 1923.
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