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51
Chimney-Cowl.
Patent for an elbow-shaped chimney cowl that is simple yet durable, which may be attached to chimneys of various sizes. It It has a vane that enables the cowl to turn and send smoke in the direction the wind is blowing. It also has a screen to cover the opening, which will prevent large sparks or partially burned materials from exiting the chimney.
Date:
December 5, 1911
Creator:
Powell, John T.
System:
The Portal to Texas History
Baling-Press.
Patent for "baling-presses of that class wherein motion is communicated to the plunger from a sweep operated by horse or similar power, and the object in view is to improve the construction of the baling-chamber and attachments, and, furthermore, to provide a simple and efficient construction of plunger-operating mechanism" (lines 8-15)
Date:
January 5, 1897
Creator:
Pearce, William J.
System:
The Portal to Texas History
Apparatus for Boring Artesian Wells.
Patent for a new and improved artesian-well borer. This design "has for its object to furnish a combination tool which will wear or cut the harder grades or rock frequently met with in boring wells of this class, and also to furnish a tool which will be harder than the common steel too or auger, thereby dispensing with the necessity of taking out and sharpening" (lines 13-20). It consists in "[a] fluted hemispherical mass of corundum for boring Artesian wells, said mass being provided with cutting-edges which extend from the apex to the base, [and] a metallic core embedded within the mass" (lines 16-20).
Date:
April 5, 1892
Creator:
Brown, Frank O.
System:
The Portal to Texas History