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Vintage Porcelain Telegraph Key Switches Pair: Pair of vintage porcelain-base telegraph keys or Morse code practice switches. Each features copper contacts, black knobs, and heavy porcelain mounting bases marked Monowatt. Originally used in electr

Jul 06, 2026

Vintage Porcelain Telegraph Key Switches Pair

Est.

$10

-

$200

$10

Sphere Auctions LLCSun Prarie, WI

View:

24

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