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Title: Mervyn Duplex Nu-glo tube, for use in 30-line television rec [Go to resource]
Description: Mervyn Duplex Nu-glo tube, for use in 30-line television reception c.1933 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1933 Source: Science Museum Creator: Mervyn Duplex (maker) Identifier: 1974-515 Go to resource More Like this...
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