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Johann Georg Halske

Biography

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Electromote | Wikipedia audio article

 

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Siemens AG founded 1847-2020 by Werner von Siemens and Johann Georg Halske

 

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Siemens pointer telegraph

 

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Siemens & Halske Mutteruhr Aufzugsvorgang

 

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Siemens - Halske Grubenlok in H0e

Johann Georg Halske was a German master mechanic.
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