Apparatus for detecting combustible gases having an electrically conductive member enveloped in a refractory material
United States Patent 3092799
US Patent References:
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- - 2234858

Electric hygrometer
- - 2367561

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- - 2397568

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- - 2703355


Inventors:
Richard, Baker Alan
Publication Date:
06/04/1963
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Assignee:
Nat, Res Dev
Primary Class:
338/34
Other Classes:
422/95, 422/88
International Classes:
G01N27/16; G01N27/14
Foreign References:
GB422893A
GB775522A