Early Wireless
This Marconi 3 valve unit receiver was priced at £34 in
1922. At today’s prices that is equal to £6,000.
It was advertised in the magazine, “Wireless World” in July, 1922. These unit receivers could be purchased in parts, extra being added as and when the money was available! It uses a
V24 valve as an HF amplifier (top right).
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