Category:20th-century technology
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Technology by century: (BCE) 2nd century · (CE) 1st century · 2nd century · 3rd century · 4th century · 8th century · 9th century · 10th century · 11th century · 12th century · 13th century · 14th century · 15th century · 16th century · 17th century · 18th century · 19th century · 20th century · 21st century ·Wikimedia category | |||||
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| 20th century | |||||
time period between January 1, 1901, and ended on December 31, 2000 | |||||
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| technology | |||||
making, modification, usage, and knowledge of tools, machines, techniques, crafts, systems, and methods of organization, or tools and techniques so created  | |||||
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Subcategories
This category has the following 24 subcategories, out of 24 total.
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Media in category "20th-century technology"
The following 14 files are in this category, out of 14 total.
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Addizionatrice elettromeccanica - Museo scienza tecnologia Milano 09488.jpg 1,280 × 1,280; 614 KB
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Exhibition in the Fiedler Manufacture in Opatówek24.jpg 2,816 × 2,112; 871 KB
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Exhibition in the Fiedler Manufacture in Opatówek25.jpg 2,816 × 2,112; 814 KB
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Exhibition in the Fiedler Manufacture in Opatówek26.jpg 2,816 × 2,112; 759 KB
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Geplant Rentwertshausen 1924-1961.jpg 2,275 × 1,706; 2.51 MB
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Main-Werra-Kanal Ritschenhausen Planungen 1940-1961.jpg 2,925 × 2,186; 3.51 MB
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Main-Werra-Kanal Römhild Planungen 1924-1961.jpg 2,937 × 2,202; 4.04 MB
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Main-Werra-Kanal Streufdorf Planungen 1924-1961.jpg 3,326 × 1,521; 1.92 MB
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Main-Werra-Kanal Untermaßfeld Planungen 1924-1961.jpg 3,059 × 2,299; 3.77 MB
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Sc history.gif 480 × 336; 36 KB
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Squadro prisma triangolare doppio.jpg 1,280 × 960; 448 KB
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Tacheometro Soldati, anonimo, 1900 - 1949 - Caserta, Museo Michelangelo.jpg 1,800 × 1,938; 293 KB
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Wystawa starego sprzętu.jpg 2,750 × 1,534; 332 KB
