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).
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Titles
Main Title:
Improvement in Hot-Air, Steam, and Water-Gauge.
Added Title:
Steam-Boiler Indicator.
Description
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).
Walker, James C.Improvement in Hot-Air, Steam, and Water-Gauge.,
patent,
October 8, 1867;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth165142/:
accessed June 6, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.