Principles of construction, uses and advantages of single bucket dragline excavators; working ranges; digging powers and speeds; walking dragline; applications to drainage and irrigation works, removing silt from existing drains, etc. (See also Instn Civ Engrs -- J n 5 and 8 Mar 1940 p 8-39 (discussion) 39-54 supp plates and Oct p 359-52; Engineering v 149 n 3882 and 3884 June 7 1940 p 571-4 and June 21 p 612-4 supp plates; Commonwealth Engr v 28 n 1 Aug 1 1940 p 24-9; Dock and Harbor Authority v 20 n 239 and 240 Sept 1940 p 259-62 and Oct p 286-8)
Dragline excavator
Iron Coal Trades Review
Iron and Coal Trades Review ; 140 , n 3769
1940
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1940
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|Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940
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