File:Concord Stereophonic 440 tape recorder (16861050336).jpg - Wikimedia Commons
File:Concord Stereophonic 440 tape recorder - reel brake (16861049096).jpg - Wikimedia Commons
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File:Concord Stereophonic 440 tape recorder - volume controls (16861050806). jpg - Wikimedia Commons
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File:Concord Stereophonic 440 tape recorder - playing pancake tape (16266975413).jpg - Wikimedia Commons
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