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Improvement in Hot-Air, Steam, and Water-Gauge.
Patent for improvements in hot air, harmonic steam, and water gauges: "In this invention several tubes pass through the boiler, some under and some above the water, through which currents of air are induced by the heat of the water or steam surrounding them" (lines 8-9).
Date:
October 8, 1867
Creator:
Walker, James C.
System:
The Portal to Texas History
Improved Grain-Meter.
Patent for a more efficient grain-meter. The patent includes instructions and illustrations.
Date:
September 8, 1867
Creator:
Walker, James C.
System:
The Portal to Texas History