Test of gas masks and respirators for protection from locomotive smoke in railroad tunnels with analysies of tunnel atmospheres
Contributors: Katz, Sidney H., joint author.; Kinney, Selwyne Perez, 1891- joint author.
Publisher: Govt. print. off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Tunnels; Gases, Asphyxiating and poisonous; Gas masks