Levers for switches and signals form part of track diagram; first plant of its kind; features of new interlocking machine; basis for eliminating mechanical locking; details of construction.
Rock island develops interlocking with no mechanical locking
Ry. Age
Railway Age ; 88 , n 6
1930
3 pages
4 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Rock island develops jumper tester
Engineering Index Backfile | 1955
UIC develops standard European interlocking
Online Contents | 2000
Automatic interlocking on rock island
Engineering Index Backfile | 1937
UIC develops standard european interlocking
IuD Bahn | 2000
|Rock Island interlocking plant at Joliet
Engineering Index Backfile | 1914