Control mechanism for furnaces
United States Patent 2127445

Inventors:
Hardgrove, Ralph M.
Publication Date:
08/16/1938
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Assignee:
BAILEY METER CO
Primary Class:
431/19
Other Classes:
110/264, 431/90, 431/31, 110/261, 431/46, 431/67, 110/341, 236/15R
International Classes:
F23N5/12