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Improvement in Screw-Propulsion.
Patent for "a new and useful Improvement in Screw-Propellers and their adaptation to the hulls of vessels" (lines 4-6) including illustrations.
Date:
November 9, 1875
Creator:
Wilson, Joseph Erwin
System:
The Portal to Texas History
Improvement in Speed and Time Recorders.
Patent for improvements in recording instruments to "document of all the movements of a locomotive while in charge of the engineer, to record any stoppages that may be made; the duration of such stoppages, and any backward motion of the locomotive at any point during the trip." (Lines 7-13) Illustration is included.
Date:
September 9, 1879
Creator:
Richardson, John D.
System:
The Portal to Texas History
Improvement In Sulky-Plows.
This pantent was created for the construction and preperation of a sulky plow cultivator. The invention was created for new and mechanical improvements.
Date:
April 9, 1878
Creator:
Tucker, Argyle W.
System:
The Portal to Texas History
Improvment in Apparatus for Drying Hides.
Patent for "an improvement in apparatus for drying hides"
Date:
May 9, 1876
Creator:
Finnigan, John
System:
The Portal to Texas History
Solar-Time Instrument.
Patent for a new and improved solar-time instrument with "the telescopic tube provided at one end with a lens, and at the other end with a removable diaphragm having horizontal and vertical lines marked thereon" (page 2).
Date:
September 9, 1879
Creator:
Hayford, Samuel
System:
The Portal to Texas History