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6 Matching Results
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Bridge Construction.
Patent for a new and useful bridge construction, including instructions and illustrations.
Date:
June 14, 1898
Creator:
Davidson, James Allen
System:
The Portal to Texas History
Bridge.
Patent for "a simplified and cheapened construction of bridge whereby the weight and strain will be more equally divided and the braces so arranged that expansion and contraction laterally are avoided, while permitting of the necessary expansion and contraction longitudinally of the bridge." (Lines 13-20) Includes instructions and illustrations.
Date:
June 16, 1896
Creator:
Mitchell, Hirtie F.
System:
The Portal to Texas History
Vibrating Churn.
Patent for improvements in vibrating churns in which the dasher is given a rapid rotary vibrating movement and with but very little exertion to the operator. (Lines 30-32) Illustration is included.
Date:
June 23, 1891
Creator:
Miller, Luther Alison
System:
The Portal to Texas History
Insulator.
Patent for a simple, inexpensive, and durable insulator meant for protecting wires for telephones and telegraphs. The insulator has two sections with recesses and locking apertures.
Date:
June 18, 1895
Creator:
Patterson, James M.
System:
The Portal to Texas History
Plow Attachment
Patent for an inexpensive and simple plow attachment meant to convert the single foot plow stock into a double shovel plow or a gang plow. The attachment is adjustable in order to "straddle the rows to be cultivated; and finally, means for adjusting the standards of the plow whereby the same are adapted to run at any desired depth" (lines 16-20).
Date:
June 5, 1894
Creator:
Jensen, Ole T.
System:
The Portal to Texas History
Grain-Drill.
Patent for an improved grain drill that is simpler and more efficient than other grain drills. It consists of a disk with a central hub, an annular recess around the hub, segmented washers, radial slots, radial seed apertures, gravity slides, and stems on the slides.
Date:
June 6, 1893
Creator:
Lawrence, William G.
System:
The Portal to Texas History