A method of trapping the dust produced by pneumatic rock drills
By: by P.S. Hay. With a preface, by Professor J.S. Haldane ...
Series: [Gt. Brit.] Safety in Mines Research Board. Paper; no. 23
Publisher: H.M. Stationery Off.
Published: 1926
Place of publication: London
Language: eng
Number of pages: 18
Subjects: Mine safety.; Rock-drills.