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Punture-Healing Composition.
Patent for "improvements in puncture healing compounds". A beeswax, paraffin, rosin, and linseed oil mixture will be injected into the innertube or other air compartment of a "pneumatic tire" and will repair any punctures without deteriorating the material of the inner tube.
Date:
April 1, 1919
Creator:
Weaber, Marie R. & Clemens, Hermann
System:
The Portal to Texas History
Water-Elevator
Patent for "an apparatus for use in connection with a well, whereby the well-bucket will be automatically elevated and emptied into a trough by the weight of the cattle that may come to the well to drink, the apparatus be ing particularly designed for use in the Western countries, where large numbers of cattle come to each well in herds" (lines 16-23).
Date:
April 1, 1890
Creator:
Campbell, George W.
System:
The Portal to Texas History