拍品 378
378
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A radio transmitter valve

细节
A radio transmitter valve
No. 181546, type G.R.L. Ultratherm, in glazed display case - 17in. (43cm.) high
注意事项
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.

拍品专文

From the BBC Brookmans Park transmitter, 1934.