细节
An Ekco Model 313 bakelite receiver
with three-valve mains chassis in rectangular case and instruction booklet dated August 1930; and an LS 51 bakelite-cased cone loudspeaker (2)
with three-valve mains chassis in rectangular case and instruction booklet dated August 1930; and an LS 51 bakelite-cased cone loudspeaker (2)