Lot · Tube Radios
WORKING 1920'S RADIO SPARK TRANSMITTER W/ ROTORY SPARK GAP & ONE TUBE RADIO
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Sun · Jul 12, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 105**
early-radio
4,665 ratings · 99.70% positive
Description
From the sellerThe transmitter uses a huge spark coil and has a large rotary spark gap. The spark output is amazing. There is a tunable antenna helix on top. The spark key is a 1918 model from WW1. The one tube radio receiver looks excellent and is made very well.
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