Permissible limits of toxic and noxious gases in mine and tunnel ventilation.

Bibliographic Details

Other Authors:	Sayers, R. R. (Royd Ray), 1885-1965
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1926.
Series:	Mines Bur. Rpt. of Investigation No. 2734
Subjects:	Gas. Electronic books.
Online Access:	Connect to the full text of this electronic document