Resource Type
Counties
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Brake.
Patent for a new brake design that forms part of the driving mechanism of a sewing machine. The design has been adapted to include a plurality of small rollers that exert different amounts of friction on brake wheels.
Date:
July 13, 1913
Creator:
Gaines, John
System:
The Portal to Texas History
Metallic Railroad-Tie
Patent for an improvement on metallic railroad ties that is "simple and durable in construction, very effective in operation, and arranged to prevent the spreading of the rails and displacement of the ties in the railroad-bed" (lines 9-12).
Date:
December 13, 1892
Creator:
Mattijetz, Andreas
System:
The Portal to Texas History