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6 Matching Results
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6
Automatic Switch
Patent for an automatic switch for railroad tracks.
Date:
May 2, 1911
Creator:
Pickle, Voyl C.
System:
The Portal to Texas History
Vaginal Irrigator
Patent for a vaginal irrigator. Illustration included.
Date:
August 2, 1904
Creator:
Farrington, Charles O.
System:
The Portal to Texas History
Measuring and Drawing Tool.
Patent for an improved, simple, and durable measuring and drawing tool that is easily adjusted and used to find bevels, pitches, degrees, and lengths in framing roofs. It has other purposes as well. "The invention consists of a plate in the shape of an eighth of an octagon having four sides, and a straight edge pivoted on the side plate and indicating thereon" (lines 14-17).
Date:
May 2, 1893
Creator:
Allred, Lemuel O.
System:
The Portal to Texas History
Furnace.
Patent for a simple, durable, and effective furnace that uses fuel economically and does not release smoke and gases besides out of the chimney. The furnace has a suction fan that draws the gases into the chimney.
Date:
April 2, 1895
Creator:
Wainright, Walter Wallace
System:
The Portal to Texas History
Railroad Stock-Guard.
Patent for "a guard which will effectually prevent cattle from entering adjoining fields to which ingress is afforded by means of a railroad traversing them and to provide means for preventing the guards being injured by trains passing over the road," (lines 11-16) with instructions and illustrations.
Date:
October 6, 1891
Creator:
Bridges, William J.
System:
The Portal to Texas History
Metal Tie.
Patent for a metal railroad tie.
Date:
May 2, 1911
Creator:
Riley, Samuel L.
System:
The Portal to Texas History