Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Bucket Excavator.
Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Date:
November 30, 1915
Creator:
Bettis, William I.
System:
The Portal to Texas History