Gas mask for protection in air against all gases, vapors, and smokes.

Bibliographic Details

Other Authors:	Fieldner, Arno Carl, 1881-1966, Frevert, H. W., Katz, S. H. (Sidney Hershberg), 1884-, Meiter, Edward George, 1898-1968
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1925.
Series:	Mines Bur. Rpt. of Investigation No. 2719
Subjects:	Gas masks. Electronic books.
Online Access:	Connect to the full text of this electronic document