Abstract
The design and operation of a very simple and cheap automatic level controller for liquid nitrogen within an enclosed or open dewar is described.
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H L Chhatwal1
Published under licence by IOP Publishing Ltd
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Citation H L Chhatwal 1972 J. Phys. E: Sci. Instrum. 5 541
DOI 10.1088/0022-3735/5/6/017
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The design and operation of a very simple and cheap automatic level controller for liquid nitrogen within an enclosed or open dewar is described.