Resource Type

3 Matching Results

Results open in a new window/tab.

Root-Cutting Attachment for Plowing-Machines. (open access)

Root-Cutting Attachment for Plowing-Machines.

Patent for a root-cutting attachment for plowing machines, which is composed of concave disk saws attached to the plow.
Date: March 16, 1909
Creator: Rountree, Joseph Gustave
System: The Portal to Texas History
Root-Cutting Machine. (open access)

Root-Cutting Machine.

Patent for a root cutting machine, which has saw guards.
Date: March 16, 1909
Creator: Rountree, Joseph Gustave
System: The Portal to Texas History
Lamp-Burner (open access)

Lamp-Burner

Patent for an attachment for lamp burners designed to automatically extinguish the flame of the lamp should it be tilted at an angle. Illustrations included.
Date: February 23, 1909
Creator: Sommerville, Robert A.
System: The Portal to Texas History