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Process of Mining Sulfur.

Description: Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as… more
Date: December 27, 1921
Creator: Drachenberg, August Toby
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Deed - H. Kempner & St. Louis, Brownsville, & Mexico Railway Co.]

Description: Court statement describing a deed of sale agreement where H. Kempner agrees to sell two small parcels of land totaling less than 1 acre from their Matagorda County property to The St. Louis, Brownsville & Mexico Railway Company for $37.00. It is signed by J. Seinsheimer, one of the H. Kempner trustees, and notarized by M. H. Lowrey.
Date: 1926
Creator: Seinsheimer, J. F.
Item Type: Refine your search to only Legal Document
Partner: Rosenberg Library

Automatic Stabilizer for Aeroplanes

Description: Patent for an automatic stabilizer for aeroplanes. This invention is a gyroscopically controlled means for correcting undue tilt in longitudinal axis. Illustration included.
Date: October 1, 1912
Creator: Yeamans, Eugene
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fountain-Valve for Locomotives

Description: This patent relates to new and useful improvements in an automatic fountain valve for locomotives. The purpose of the invention is to provide a valve that will automatically close in the case of the locomotive overturning. This valve will cut off the escaping or steam from broken pipes and prevent the scalding of engine-men who may be trapped in the cab.
Date: March 26, 1918
Creator: Yeamans, Eugence N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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