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Karl Ferdinand Braun @karl-ferdinand-braununclaimed, built from public data

Karl Ferdinand Braun was a German physicist and electrical engineer who advanced semiconductor rectification, radio, and electronic displays.

Contents

  1. Cathode-ray tube 1 source · updated Jul 26, 2026
  2. Crystal rectifier 1 source · updated Jul 26, 2026
  3. Wireless telegraphy 1 source · updated Jul 26, 2026

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