Tests of gas masks and respirators for protection from locomotive smoke in railroad tunnels with analyses of tunnel atmospheres.

Bibliographic Details

Corporate Author:	United States. Department of Commerce
Format:	Government Document eBook
Language:	English
Published:	[Washington] : GPO, 1922.
Series:	Mines Bur. Tech. Paper No. 292
Subjects:	Breathing apparatus. Gas masks. Industrial hygiene. Electronic books.
Online Access:	Connect to the full text of this electronic document