Details
Two-valve receivers:
a Graves 'Vulcan' receiver in oak case with hinged lid and vertical front panel with condenser and reaction coil tuning knobs -- 13in. (34cm.) wide; and a home-built receiver in oak case (2)
a Graves 'Vulcan' receiver in oak case with hinged lid and vertical front panel with condenser and reaction coil tuning knobs -- 13in. (34cm.) wide; and a home-built receiver in oak case (2)