Resource Type
States
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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
Vertical Steam-Pump.
Patent for improvements in steam-pumps, of which “are adapted to compress a liquefiable gas—such as that of ammonia—to a state of partial liquefaction, the pressure being subsequently removed and the liquefied refrigerating agent expanding through tubes and chambers, and the cooling effect produced by the volatile liquid again assuming its gaseous state is utilized for the absorption of heat.” (Lines 10-17) Illustration is included.
Date:
June 23, 1891
Creator:
Robinson, Charles H.
System:
The Portal to Texas History
Trace-Carrier.
Patent for improvements in trace-carriers in which it would “provide each with a buckle or similar means that can be attached to the back-band of a harness for horses. The purpose is to provide means to a trace-chain which may be readily inserted in the carrier to prevent from removal, either accidentally or otherwise, so long as the carrier remains in position for service.” (Lines 12-20) Illustration is included.
Date:
June 23, 1891
Creator:
Barton, Samuel Jones
System:
The Portal to Texas History
Electrode for Secondary Batteries.
Patent for improvements in the manufacture of electrodes for storage batteries or accumulators by using “two corresponding plates, each having flanges on three sides of one face, said plates being united to form a central space open at top by securing together corresponding flanges on the respective plates.” (Lines 5-9, page 2) Illustration is included.
Date:
June 23, 1891
Creator:
Anderson, Boyd
System:
The Portal to Texas History