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7 Matching Results
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Air Pump
Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date:
October 28, 1919
Creator:
Keating, P. W.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Stacker and Unloading Barge
Patent for a Machine for Stacking and Loading Hay or Other Vegetation
Date:
June 18, 1918
Creator:
Conway, Julian C.
Object Type:
Patent
System:
The Portal to Texas History
Power Transmitting Attachment for Windmills.
Patent for a power-transmitting attachment for windmills "whereby the power of the wind-mill used for operating a pump may also be used for operating other machinery" (lines 12-14), including illustrations.
Date:
August 17, 1918
Creator:
Records, Paul A.
Object Type:
Patent
System:
The Portal to Texas History
Device for Grinding and Removing the Valves of Explosive-Engines.
Patent for a simple, easy to operate device for the grinding and removal of explosive engine valves.
Date:
November 2, 1915
Creator:
Forster, Earl
Object Type:
Patent
System:
The Portal to Texas History
Corn-Topper.
Patent for corn-toppers for cutting off the heads of Kafir corn, milo maze, and other similar grain plants.
Date:
August 28, 1917
Creator:
Pletcher, Thomas S.
Object Type:
Patent
System:
The Portal to Texas History
Combined Cotton Chopper and Cultivator
Patent for a combined cotton chopper and cultivator. Illustration included.
Date:
October 11, 1910
Creator:
Carter, Chester Clark
Object Type:
Patent
System:
The Portal to Texas History
[Ochiltree Theatre Students]
Photograph of a group of Ochiltree students on a stage. In the foreground the folding chairs of the audience are visible.
Date:
1916
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History