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5 Matching Results
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Railway-Switch
Patent for a triple rail railway switch with improved opening and closing mechanisms.
Date:
June 4, 1912
Creator:
Phinney, Grover Cleveland
System:
The Portal to Texas History
Weight-Motor.
Patent for a weight motor for powering various machinery.
Date:
June 14, 1910
Creator:
Wilson, James A.
System:
The Portal to Texas History
Cotton Picker's Sack And Support Therefor
Patent for a cotton picker's sack and support therefor. Illustration included.
Date:
June 13, 1905
Creator:
Clark, Isom J.
System:
The Portal to Texas History
Milk Cooler.
Patent for a new and improved cooler. This design "consist[s] of the main vessel adapted to contain the substance to be cooled, having its upper end open and the walls of said open end drawn or inclined inward, as described, the water vessel supported on said main vessel, with a space between its bottom and the top of the main vessel, and made larger at its bottom than the upper open end of the main vessel, and the enveloping-sheet arranged to be wet by the contents of the water-vessel and extended past the space between the said vessels, whereby to protect the contents of the main vessel" (lines 79-92).
Date:
June 10, 1890
Creator:
Stiles, Frederick
System:
The Portal to Texas History
Cotton Gin.
Patent for a new and improved cotton gin. This design "is to provide certain means whereby the breast and guard can be readily and quickly moved and held out of their normal position for the purpose of clearing or freeing the cotton-roll from the saws, and preventing injury to the operator by said saws" (lines 7-13).
Date:
June 26, 1883
Creator:
Rogan, David Smith
System:
The Portal to Texas History