2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Car-couplings
Patent for "an automatic car-coupling, that may also be readily coupled with the common pin-and-link and other couplings, and be adjusted without going between the cars, so as to avoid all danger" (lines 14-18).
Date:
August 24, 1875
Creator:
Harper, Peter
System:
The Portal to Texas History
Improvement in Plows.
Patent for "plow mold-boards to which the black land of Texas, and other similar soils, will not adhere, so that a furrow can be turned, however sticky and waxy the soil may be." (lines 14-18) including instructions and illustrations.
Date:
May 18, 1875
Creator:
Bell, Francis R.
System:
The Portal to Texas History