A Tramp-metal Detector

A Tramp-metal Detector

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An instrument is described which detects small pieces of qtrampq iron in an aluminum alloy.DESCRIPTION OF INSTRUMENT The Tramp-Metal Detector, with the exception of the coils, is housed in a cabinet 14a€“3/4 x 22 x 14 inches. Both of the coils are ... Figure 5 shows a schematic diagram of the circuit. A 6SJ7 is employed in aanbsp;...

Title:A Tramp-metal Detector
Author:M. H. Goosey
Publisher: - 1955


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