Block signals. Tabulation of statistics pertaining to signals, interlocking, automatic train control, and telegraph and telephone for transmission of train orders as used on railroads of United States, Jan. 1, 1940; compiled by Bureau of Safety.
Publication Title:
Block signals. Tabulation of statistics pertaining to signals, interlocking, automatic train control, and telegraph and telephone for transmission of train orders as used on railroads of United States, Jan. 1, 1940; compiled by Bureau of Safety.
Display Title:
Block signals. Tabulation of statistics pertaining to signals, interlocking, automatic train control, and telegraph and telephone for transmission of train orders as used on railroads of United States, Jan. 1, 1940; compiled by Bureau of Safety.
Corporate Agency Authors:
Interstate Commerce Commission
Sort Author:
Interstate Commerce Commission
Date:
1940
Publish Date ISO Format:
1940-01-01T00:00:00Z
Publication Start:
19400101
Publication End:
19401231
Corporate/Agency Author:
Interstate Commerce Commission
Publication month:
13
Publication year:
1940
SuDoc number:
IC 1 blo.5:940
Description:
[1]+35 p. il. oblong large 8°
Notes:
* For Sale by Superintendent of Documents. Paper, 15c.
Availability:
* For Sale by Superintendent of Documents. Paper, 15c.