1930s Western Electric Type 231 B Input Transformer – Vintage Original ’30s “Coded Input” 231B 231D Tube Speech Amplifier Systems
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– For your consideration is this vintage 1930s Western Electric Type 231 B input transformer.
– This is a nice original working example originally utilized in Western Electric “Speech Console” systems.
– Please scroll through the entire gallery to view the 9 images available. All photos are of the actual item.
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