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Milk-Cooler. (open access)

Milk-Cooler.

Patent for an improvement in milk-coolers “in which water is drawn by capillary attraction from a receptacle placed above the milk-receptacle onto a cloth wrapped around the latter, thus cooling the milk by evaporation.” (Lines 8-12) Illustration is included.
Date: April 7, 1891
Creator: Banks, John F.
System: The Portal to Texas History
Extensible Trestle. (open access)

Extensible Trestle.

Patent for an improvement to extensible trestles for masonry and carpentryscaffolding and other uses, including both instructions and illustrations.
Date: January 7, 1890
Creator: Bogusch, Robert J.; Bogusch, Gustav & Zincke, August
System: The Portal to Texas History
Design for Railroad Spike. (open access)

Design for Railroad Spike.

Design patent for a barbed railroad spike.
Date: September 7, 1897
Creator: Banks, Henry N.
System: The Portal to Texas History