Resource Type

Improvement in External Window, Door, and Shutter Sprinklers (open access)

Improvement in External Window, Door, and Shutter Sprinklers

Patent for improvement in external window, door, and shutter sprinklers. The sprinklers would be used to wet the wooden pieces in case of adjacent fire, and are designed to run down the side of the building instead of into the building, reducing water damage inside, with illustration.
Date: August 27, 1878
Creator: Bennison, John
System: The Portal to Texas History
Improvement in Bleaching Resins. (open access)

Improvement in Bleaching Resins.

Patent for a process to "bleach, clarify, and refine the commonest and lowest grade of resin, and such is now known to the trade as black resin, as to produce therefrom, by a cheap and simple means or process, an article as pure as extra pale, or resin which is the product of the virgin dip, and which for use in all the arts where the finest quality of resin is desirable or required, is equally as valuable." (Lines 14-23) Includes instructions and illustrations.
Date: May 27, 1873
Creator: Lee, Archibald K.
System: The Portal to Texas History