Compressor. (open access)

Compressor.

Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
System: The Portal to Texas History
Weather Strip or Seal for Sliding Window-Sashes. (open access)

Weather Strip or Seal for Sliding Window-Sashes.

Patent for "a new and Improved Weather Strip or Seal for Sliding Window-Sashes" (lines 5-7), including instructions and illustrations.
Date: April 15, 1913
Creator: Cross, Ralph Waldo
System: The Portal to Texas History
Fish Hook (open access)

Fish Hook

Patent for a fish hook. Illustration included.
Date: April 26, 1910
Creator: Roberson, Elige L.
System: The Portal to Texas History