Cover image for Automatic block signals and signal circuits; American practice in the installation and maintenance of signals electrically controlled, and operated by electric or other power, with descriptions of the accessories now regarded as standard
Title:
Automatic block signals and signal circuits; American practice in the installation and maintenance of signals electrically controlled, and operated by electric or other power, with descriptions of the accessories now regarded as standard
Author:
Scott, Ralph, 1884-
Personal Author:
Publication Information:
New York : McGraw Pub. Co., 1908.
Physical Description:
2 pages l., iii-iv pages, 1 l., 243 pages : illustrations, diagrams ; 24 cm
Language:
English
Format :
Book

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DEWEY COLL. 625.16 3 Adult Non-Fiction Central Closed Stacks-Non circulating
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