Form of invitation to bidders on block signal and interlocking work; table of signal and interlocking units; recording and reporting train-control performance; signal cost accounting.
Committee VII -- Contracts, records and reports
Am Ry Assn -- Proc
American Railway Association -- Meeting (Signal Section) ; 1934 Contracts
American Railway Association -- Proceedings ; 31 , n 1
1934
7 pages
Aufsatz (Konferenz)
Englisch
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Committee VII -- Contracts, records and reports
Engineering Index Backfile | 1934
Committee VII -- Contracts, records and reports
Engineering Index Backfile | 1933
Committee VII -- Contracts and performance records
Engineering Index Backfile | 1931
|Contracts and performance records
Engineering Index Backfile | 1930
Maintenance of way records and reports
Engineering Index Backfile | 1918