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An Electron-Beam Decimal-Counter Tube

Abstract

SEALED-OFF models of a successful scale-of-ten counter electron tube have been completed in this laboratory. The objective has been to develop a small single-tube decade which would operate at a low anode voltage and indicate the count by displaying numbers projected electronically on a fluorescent screen at the end of the bulb.

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HOLLWAY, D. An Electron-Beam Decimal-Counter Tube. Nature 165, 856–857 (1950). https://doi.org/10.1038/165856a0

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