拍品专文
The wavelength plates are for 185-250, 300-390, 390-530, 450-600, 800-1000, 1000-1300, 1300-1700, 2100-2600 and 2600-3200 metres.
细节
A Marconiphone V2
two-valve receiver with nine wavelength plates, spare spade and other attachments in walnut case with BBC, transfer hinged lid and removeable front panel
two-valve receiver with nine wavelength plates, spare spade and other attachments in walnut case with BBC, transfer hinged lid and removeable front panel