Water-Gage.
Description:
Patent for a water-gage measuring the height or volume of water in a steam boiler, particularly those "held closed by the weight of the operating handle" (lines 11-12). The device is designed for simple manufacture and easy assembly & disassembly without tools, and features a valve seat that stays in place, illustrations included.
Date:
December 30, 1919
Creator:
Leidecker, Helmoth M.
Item Type:
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