Cover-title.

At head of title: War Department specifications.

"Prepared under the direction of the chief of engineers, U.S. Army, by the Engineer board, with suggestions of the National technological civil protection committee, the National bureau of standards, the Interstate commerce commission, the Office of defense transportation, the Public roads administration, the Highway traffic advisory committee to the War department, and the War production board."--p. [2].

Bound with other U.S. Office of Civilian Defense blackout pamphlets.