"Our front cover this month shows the final stage in radio valve assembly before sealing-in and pumping. Complete
electrode systems are given a last visual inspection and are then inserted in the bulbs. The sealing and pumping operations, in which ingenious and highly-specialised machines are employed, are described elsewhere in this issue." |
Technical Contents : | Valve Manufacturing Techniques Pt.9 - Sealing and Pumping The Projection Television System Pt.2 The Worlds Fastest Camera [ME1201] |
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Commercial Sections: | High speed valve tester. [More high speed valve tester ... and some more ... and some more ....] Mullard Valves for Hearing Aids |
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Download as a PDF File (1.4MB) |
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Last updated 28th May 2011 |