Commission hears witnesses called from roads using different types; signal engineers' experiences; cost of automatic train control and of automatic signals as reported in returns to questionnaire; locomotive enginemen testify; maintenance cost of automatic signals and train control taken from answers to I. C. C. questionnaire.
I.C.C. hearing on train control
Ry. Signaling
Railway Signaling ; 21 , n 4
1928
4 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1932
Engineering Index Backfile | 1930
I.C.C. annual signaling statistics
Engineering Index Backfile | 1944
I.C.C. recognizes reproduction costs
Engineering Index Backfile | 1931
|Annual block signal statistics issued by I.C.C.
Engineering Index Backfile | 1926