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Wind-Turbine.
Patent for improvements to wind motors for turbines "and has for its object to provide a wind turbine of novel structure or arrangement and including means for varying the admission of air currents to the wheel thereof" (lines 10-13).
Date:
April 14, 1908
Creator:
Gustafson, Claes Viktor
System:
The Portal to Texas History
Improvement in Bungs.
Patent for improvement in bungs for beer and other barrels.
Date:
April 14, 1868
Creator:
Stremme, Conrad C.
System:
The Portal to Texas History
Metallic Railroad-Tie.
Patent for an improvement of metallic railroad ties in which clamp-plates are not needed to hold the longitudinal tension-rods, “instead the heads of the rods bear against the solid outer ends of the rail-seats which are constructed integral with the body of the tie.” (Lines 14-17) Illustration is included.
Date:
April 14, 1891
Creator:
Saunders, Ellison
System:
The Portal to Texas History
Calendar
Patent for a circular perpetual calendar.
Date:
April 14, 1908
Creator:
Rowe, Charles E.
System:
The Portal to Texas History