Marked: "Silvertone / Sears Roebuck & Co." A commercial loudspeaker enclosed in metal baffle with front grill cloth. Standard phono plug attached to end of cord. Original price: $8.75. Advertised in ...
A 4-pin plastic base with domed envelope. Donor’s card reads: “Ballast tube made for Sears, Roebuck & Co. for use in their “Silvertone” line of radio receivers. Dates from the 1920s. Maximum current: ...