Category:Elektrotechnische Zeitschrift 1910
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Media in category "Elektrotechnische Zeitschrift 1910"
The following 3 files are in this category, out of 3 total.
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1910 Melkmaschine01.jpg 1,101 × 941; 198 KB
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1910 Melkmaschine02.jpg 901 × 1,401; 157 KB
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Rossberg Heinitz mine Mauve winding engine scheme.jpg 2,439 × 1,626; 824 KB