Building materials, building standards, home buildings
Subtitle: publications of the National bureau of standards
Edition: Revised to April 25, 1940.
Series: United States. National bureau of standards. Letter circular -- LC592; Letter circular (United States. National Bureau of Standards) -- 592
Published: 1940
Place of publication: Washington]
Language: eng
Number of pages: 83
Notes: "Supersedes LC290 & supplement thereto."

Reproduced from type-written copy.