A practical method for teaching mine workers and officials use of gas-detecting equipment
By: by D.S. Kingery and F.D. Baker.
Contributors: Baker, F.D.; United States. Bureau of Mines.
Series: Information circular (United States. Bureau of Mines) -- 7639
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1952
Place of publication: Washington, DC
Language: eng
Notes: 1