Emergency Stop-Valve For Stopping Runaway Carriages In Sawmills (open access)

Emergency Stop-Valve For Stopping Runaway Carriages In Sawmills

Patent for an emergency stop valve for stopping runaway carriages in sawmills. This "invention is designed to provide a new and useful improvement in mechanism for stopping a runaway carriage in a sawmill, where the carriage is moved back and forth by a piston in a long cylinder" (lines 11-15). Illustration included.
Date: June 21, 1904
Creator: Edwards, Daniel R.
System: The Portal to Texas History