Aluminum alloy booms with working length of up to 200 ft used with two huge, new derrick boats made by Dravo Corp, Pittsburgh; details of boats; methods employed in fabrication of boom; how problem of deflection was solved.
Aluminum booms boost capacity of derrick boats
Modern Metals
Modern Metals ; 11 , n 3
1955
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Transportation corps derrick boats
Engineering Index Backfile | 1945
|Standardization of Digger Derrick Capacity Ratings
SAE Technical Papers | 1983
|Genie telescopic booms boost traction, flotation
British Library Online Contents | 2008
Standardization of digger derrick capacity ratings
Automotive engineering | 1983
|