Hello, A few days ago somebody found a book called Counting Tubes, Theory and Applications on E-bay. Published 1949. Somebody else said it was a instant print abstact of articles. Well I went out and purchased a copy off of Amazon. I got a real honest to god original book. It was withdrawn from the Rensselaer Polytechnic Institute in Troy New York. The book subject is not the Dekatron or BeamX type counting tubes too early. It is mostly about particle counters, theory of operation, types of detectors, construction (from the perspective of buiding actual counting tubes in the lab.) There is quite a bit about power supplies amplifier circuits and other support circuits. This is a British book so all the tubes shown are European numbers. Book is 238 pages long with a lot of illustrations, hardbound. Quite an interesting book and worth the approx $10.00 plus shipping. Tim Laing
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