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Ice-Cream Freezer.
Patent for an ice cream freezer that consists of a can with a joint bearing in the middle, a cover with openings in the center and a central vertical flange, a lid that fits over the central vertical flange, and a shaft with horizontal arms that rotates.
Date:
July 31, 1894
Creator:
Wallace, Lloyd & Wallace, Jeff Davis
System:
The Portal to Texas History
Railroad-Track Lifter.
Patent for improvement in railroad-track lifters by using “the combination of a base, a upright, a lever and two pawls engaging notches of the upright” (lines 97-99) and “hand mechanism for operating the pawls,” (lines 1-2, p. 2) for easily raising sections of railway-track. Illustration is included.
Date:
March 31, 1891
Creator:
Brown, Hiram David
System:
The Portal to Texas History