Resource Type

Improvement in Compound Engines. (open access)

Improvement in Compound Engines.

Patent for "a series of engines for working the steam over by exhausting it from the first into the second, and so on, for utilizing the pressure lost when steam is exhausted from a single engine into the air..." (lines 7-11) including instructions and illustrations.
Date: February 16, 1875
Creator: Bell, Jackson W.
System: The Portal to Texas History
Improvement in Bale-ties. (open access)

Improvement in Bale-ties.

Patent for "an improvement on the patented bale-tie" (lines 15-16) which includes lugs to "lock" the tie (line 22) including instructions and illustrations.
Date: February 29, 1876
Creator: Horton, Jesse R.
System: The Portal to Texas History
Improvement in Gang-Plows. (open access)

Improvement in Gang-Plows.

Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date: February 20, 1877
Creator: Cummins, John R.
System: The Portal to Texas History