Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Hoisting-Machine
Patent for a new Hoisting-Machine. The Hoisting Machine has improved arrangement of parts that control the device's braking drum. Improving the Hoisting Machine construction is useful for reducing wear on the machine.
Date:
May 21, 1912
Creator:
Johnston, Horace
System:
The Portal to Texas History