Block signals. Annual report of block signals, automatic train control, and use of train orders, instructions and definitions [for use in making annual reports].
Publication Title:
Block signals. Annual report of block signals, automatic train control, and use of train orders, instructions and definitions [for use in making annual reports].
Display Title:
Block signals. Annual report of block signals, automatic train control, and use of train orders, instructions and definitions [for use in making annual reports].
Corporate Agency Authors:
Interstate Commerce Commission
Sort Author:
Interstate Commerce Commission
Date:
[Revised edition.] [1934.]
Publish Date ISO Format:
1934-01-01T00:00:00Z
Publication Start:
19340101
Publication End:
19341231
Corporate/Agency Author:
Interstate Commerce Commission
Publication month:
13
Publication year:
1934
SuDoc number:
IC 1 blo.2:R 29/934
Description:
6 p.
Notes:
* For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.