Resource Type

Month

Internal Combusion System (open access)

Internal Combusion System

Patent for new and useful Internal-Combustion Engine. Improves the provision of an engine which the cylinder is provided with a semi-spherical upper end, fr the rotatable reception of similar shaped power cylinder carrying shell. Specification of letter patent with illustration. Serial number 789.146
Date: May 12, 1914
Creator: Clough, George G.
System: The Portal to Texas History
Improvement in Cotton Presses. (open access)

Improvement in Cotton Presses.

Patent for the improvement of cotton presses to bale cotton and other materials, including illustrations.
Date: May 12, 1874
Creator: Brown, Bartlett W.
System: The Portal to Texas History