Report of bomb tests on materials and structures.
Subtitle: Memorandum on protective construction.
Contributors: United States. Office of Civilian Defense.
Publisher: United States Office of civilian defense
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 55
Subjects: Air raid shelters; Building materials -- Testing; Projectiles, Aerial; Walls
Notes: "Prepared by the War dept. Prepared under the direction of the chief of engineers, U.S. army."--p. [2] of cover.