Resource Type

Month

Fire-Escape. (open access)

Fire-Escape.

Patent for improvements in fire-escapes “in which a rope forming part of the device, has its upper end attached within a window or other opening of a building and is connected with apparatus to raise and lower an ascending fireman or other person escaping from the building.” (Lines 16-21) Illustration is included.
Date: July 7, 1891
Creator: Rutledge, William O.
System: The Portal to Texas History
Flexible Joint. (open access)

Flexible Joint.

Patent for a flexible joint for rigid pipes that allows the pipes to be taken around a bend or moved around easily in the operation of a sand pump or hydraulic dredging machine.
Date: July 7, 1908
Creator: Brown, Martin William
System: The Portal to Texas History