Principal current activities of Signal Section, AAR; synopsis, supplemented with list and reference, by number, of adopted specifications, designs and principles of practice. (See also - discussion p 592-4)
Report of committee 10 -- Signals and interlocking
Am Ry Eng Assn -- Proc
American Railway Engineering Association -- Proceedings ; 45 ; p 72-74
1944
3 pages
Article (Journal)
English
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Report of committee 10 -- Signals and interlocking
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