Atwater Kent audio amplifying transformer, brass name plate, 4 posts. overall: 2 3/4 in x 3 in x 3 in; 6.985 cm x 7.62 cm x 7.62 cm ...
Marked: "Atwater Kent / Phila. Type TA / [AK logo] / Patent Pending / 2-Stage Amplifier". A two-stage audio frequency amplifier with transformers mounted within the unit. Bakelite top with metal frame ...
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