细节
A Philips Type 2531 receiver
in horizontal bakelite case with two drum-type tuning dials -- 15 in. (38 cm.) wide; and a Philips cone speaker in mottled bakelite with deflector panel in front and rear fret -- 5¾in. (40cm.) diam. (2)
in horizontal bakelite case with two drum-type tuning dials -- 15 in. (38 cm.) wide; and a Philips cone speaker in mottled bakelite with deflector panel in front and rear fret -- 5¾in. (40cm.) diam. (2)