Grate For Boiler Furnaces, &c (open access)

Grate For Boiler Furnaces, &c

Patent for a grate for boiler furnaces. This invention can be used for steam-boiler furnaces, stoves, or any device to "produce a higher degree of heat than is obtained by the usual grates" (line 11-12). Illustration included.
Date: February 26, 1907
Creator: Spiller, Philip S. & Brenizer, Nelson, O.
System: The Portal to Texas History
Automatic Danger-Signal for Railroads. (open access)

Automatic Danger-Signal for Railroads.

Patent for a "device for indicating at railroad crossings and other points, the approach or departure of trains within any given distance of such crossing or with relation to any point where persons might come into dangerous proximity to the train if they were left unadvised by some such signal as this." (Lines 19-26) Includes instructions and illustrations.
Date: February 26, 1895
Creator: Lee, Horatio Grooms; White, John P.; Ball, Thomas & White, James L.
System: The Portal to Texas History