U.S. Government master specification for construction of built-up roofing, type 4AWS.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1924.
Series:	Fed. Specs. Bd. Spec. No. 146 Standards Bur. Circ. No. 170
Subjects:	Roofing. Electronic books.
Online Access:	Connect to the full text of this electronic document