Resource Type

Improvement in Fish and Animal Traps (open access)

Improvement in Fish and Animal Traps

Patent for an improvement in the design of traps intended for catching fish or animals. Includes illustration.
Date: September 18, 1872
Creator: Hartcourt, John T.
System: The Portal to Texas History
Car Ventilation. (open access)

Car Ventilation.

Patent for an apparatus to improve car ventilation, including illustrations.
Date: February 18, 1879
Creator: Knipscheer, John
System: The Portal to Texas History