UNT Libraries Government Documents Department - 3 Matching Results

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Steam-Pressure and Water-Level Recorder for Boilers.
Patent for a division on the inventor's previous patent application (No. 404,658). This patent is for a device that records steam pressure and water levels in boilers, and is meant "to provide a new and improved steam pressure recorder for boilers, which is simple and durable in construction, very effective in operation, and arranged to automatically record the pressure of the steam in the boiler for a given period" (lines 14-19).
Twin Cultivating-Harrow.
Patent for a twin cultivating harrow with an especially designed coupling that connects the harrow frames. It is adjustable and is meant to cultivate corn, cotton, and similar crops.
Wire-Stretcher.
Patent for an improved, simple, and inexpensive wire stretcher "which may readily be employed for stretching wires to a post for stapling, for stretching or drawing the ends of wires together for tying and for drawing out or removing staples from a post" (lines 12-16).
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