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Train operation by signal indication. I. The two principal methods of directing train movements. II. Directing train movements by signal indication
Content Provider | HathiTrust Digital Library |
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Author | Sperry, Henry Muhlenberg |
Description | "First published in the Railway age of June 4 and June 11, 1920."--p. 3 |
Language | English |
Publisher Date | 1920-01-01 |
Publisher Place | New York |
Access Restriction | Open |
Rights License | Items in this record are available as Public Domain, Google-digitized. View the access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements |
Subject Keyword | Signaling Railroads Railroad trains Train operation by signal indication |
Content Type | Text |
Resource Type | Book |