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6 Matching Results
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Improvement in Steam-Engines.
Patent related to "improvements in steam-engines. The object...is to devise means whereby the valves may be actuated automatically without the employment of exterior mechanisms by the use of exhaust-steam" (lines 17-22). Includes instructions and illustration.
Date:
July 1, 1879
Creator:
Garlock, William H. & Cooke, Richard
System:
The Portal to Texas History
Improvement in Earth-Boring Machines.
Patent for improvements in earth-boring machines with new design and connections, including illustrations.
Date:
January 1, 1878
Creator:
Yarborough, William H.
System:
The Portal to Texas History
Improvement in Churns.
Patent for improvements in churns with specific improvements in dasher-rods and lids. This patent includes illustrations.
Date:
January 1, 1878
Creator:
Davis, Henry T.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an improvement in link and pin car-couplings, including illustrations.
Date:
September 1, 1874
Creator:
Moyer, Alexander L.
System:
The Portal to Texas History
Improvement in Pumps.
Patent relating to "improvements in double-acting pumps. The object is to devise a pump...[so] as to allow the admission of water at one end of and its discharge at the other" (lines 16-24). Includes instructions and illustration.
Date:
July 1, 1879
Creator:
Garlock, William H. & Cooke, Richard
System:
The Portal to Texas History
Improvement in Ballast-Distributing Cars
Patent for ballast-distributing design with new design in changing rails and weight from car to car, including illustrations.
Date:
September 1, 1877
Creator:
Dockstader, Adam B.
System:
The Portal to Texas History