Combination Key and Automatic Stop Cock
Description:
Patent for "new and improved Combination Key and Automatic Stop-Cock" (lines 6-7) for the purpose of providing "an automatic arrangement for cutting off the water-supply in hydrants and like appliances when the weather becomes so cold as to endanger the freezing of the water" (lines 11-14).
Date:
May 7, 1900
Creator:
Randall, C. T.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department