Publish Year Decade: 1940 - 1949 / Sudoc Stem: IC 1 saf.10 - Blacklight Search Results

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1. Tabulation of statistics pertaining to signals, interlocking, automatic train control. telegraph and telephone for transmission of train orders, and spring switches, as used on railroads of United States: compiled by Bureau of Safety.

Corporate/Agency Authors:: Interstate Commerce Commission
Publisher:: Interstate Commerce Commission
Date:: Jan. 1, 1948
SuDoc number:: IC 1 saf.10:948

2. Tabulation of statistics pertaining to signals, interlocking, automatic train control, telegraph and telephone for transmission of train orders, and spring switches as used on railroads of United States, Jan. 1, 1947; compiled by Bureau of Safety.

Corporate/Agency Authors:: Interstate Commerce Commission
Publisher:: Interstate Commerce Commission
Date:: [1947.]
SuDoc number:: IC 1 saf.10:947

3. Signals. Tabulation of statistics pertaining to signals, interlocking, automatic train control, telegraph and telephone for transmission of train orders, and spring switches as used on railroads of United States, Jan. 1, 1946; compiled by Bureau of Safety.

Corporate/Agency Authors:: Interstate Commerce Commission
Publisher:: Interstate Commerce Commission
Date:: 1946
SuDoc number:: IC 1 saf.10:946