Resource Type

Steam-Engine (open access)

Steam-Engine

Patent for a steam engine, improving on the original design so as to "provide a steam-engine having few parts so as to avoid the use of eccentrics, slide-valve, valve-rod, piston and connecting rods, stuffing-boxes, and glands, thus increasing the actual power by decreasing the friction" (lines 26-31).
Date: January 1, 1889
Creator: Harpst, Edgar S.
System: The Portal to Texas History
Radial Tube Boiler. (open access)

Radial Tube Boiler.

Patent for a new and improved boiler. This design "consist[s] of a horizontal steam reservoir, a vertical cylinder provided with radial tubes suspended therefrom and forming a steam-generating chamber, all supported by standards placed underneath said horizontal steam-reservoir and outside of the casing surrounding said steam-generating chamber, and the fire-box placed under said steam-generating chamber" (lines 67-75).
Date: January 22, 1889
Creator: Clarke, John & Savage, Robert W.
System: The Portal to Texas History