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Title: Amplifier, BBC outside broadcast microphone type IB/103, in [Go to resource]
Description: Amplifier, BBC outside broadcast microphone type IB/103, in case, missing valves, front panel and carrying strap, c. 1935 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1924 Source: Science Museum Creator: BBC (maker) Identifier: 1990-540 Go to resource More Like this...
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