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Lot 0621
Spark Coil with Vacuum Scale, c. 1920
Ruhmkorff coil, length 7 ¼ in., with 5 vacuum tubes after design by Cross (0,01, 0,1, 0,3, 4, 30), overall height 17 ¾ in., all tubes are working.

Funkeninduktor mit Vakuumskala, um 1920
Ruhmkorff-Spule, Länge 19 cm, mit 5 Vakuumröhren (0,01, 0,1, 0,3, 4, 30), Gesamthöhe 45 cm, alle Röhren funktionieren.

Start Price: EUR 280

Condition

(2-3/2-3)

Starting Bid

€280.00

Buyer's Premium

  • 26.8%

Spark Coil with Vacuum Scale, c. 1920

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Estimate €400 - €500
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