UNT Libraries Government Documents Department - 5 Matching Results

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Ash Pan
Patent for an ash pan. Illustration included.
Balanced Valve
Patent for a balanced valve for a steam powered sawmill.
Fire-Escape
Patent for a flexible chute that attaches to the window frame. The chute uses hinges or a pivot so it can be moved out of the way when not is use.
[Log Turner]
Patent for a log turner. This "invention relates to an improvement in nigger-bars used in connection with steam-cylinders to turn the logs on sawmill-carriages" (line 8-11). Illustration included.
Pressure-Regulator
Patent for a Pressure-Regulator, which is a device for "automatically regulating the pressure of steam, compressed air, or other gases while passing through a conduit" (lines 8-10).
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