Erection of steel for substation, tower and miscellaneous purposes in railroad electrification work sometimes proves difficult for structures not sufficiently close to main railroad tracks to permit handling by locomotive crane; here crawler cranes have proved their value in convenience and economies.
Crawler cranes solve problem in railroad electrification
Elec. World
Electrical World ; 98 , n 9 ; p 371
1931
1 Fig.
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Crawler cranes revolutionize shipbuilding
Engineering Index Backfile | 1967
Engineering Index Backfile | 1930
Engineering Index Backfile | 1919
|Engineering Index Backfile | 1931
|Engineering Index Backfile | 1928
|