Resource Type

Hydraulic Milk Cooler (open access)

Hydraulic Milk Cooler

Patent for a hydraulic milk cooler. This invention is shrouded in coolant agent absorbing material that is hydraulically applied to keep dairy products cool. Illustrations included.
Date: December 8, 1903
Creator: Womble, Zachariah C.
System: The Portal to Texas History
Cotton-Picker Finger. (open access)

Cotton-Picker Finger.

Patent that improves on existing design of cotton-picking spindles by using an elastic material instead of bristles. Includes instructions and illustrations.
Date: January 12, 1891
Creator: Canuteson, Ole
System: The Portal to Texas History