Recent developments in heavy-duty excavating equipment; increased boom reach, large buckets, quicker swing and greater freedom of travel, simplified servicing; skid and roller traction; trench system of dragline levee construction without rehandling; track and truck traction; crawler traction; two-machine method of dragline levee construction; two-unit system of dragline levee construction with single handling; walking traction.
Dragline excavator development for Levee building
Eng News-Rec
Engineering News-Record ; 108 , n 22
1932
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1940
|Engineering Index Backfile | 1942
|Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940
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