An A. J. S. Type F6 four-valve receiver

細節
An A. J. S. Type F6 four-valve receiver
in oak case with hinged moulded lid, quarter-veneered front with oval burrwood central panel and shaped apron base, the ebonite panel with four valves, filter plugs, two inductance coils and reaction and condenser controls and ivorine instruction plaque -- 20in. (51cm.) wide