Stollwerck facilitated contact with Professor August Raps, head of the Siemens & Halske Telegraph Construction Company, which later took over the development of the apparatus
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Stollwerck facilitated contact with Professor August Raps, head of the Siemens & Halske Telegraph Construction Company, which later took over the development of the apparatus
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.