Flameproof enclosures for mining electrical equipment
Subtitle: the protection afforded by flanges of one half-inch radial breadth for mixtures of methane and air
By: by H. Titman and R. Torry
Contributors: Titman, H.
Series: Research reports -- no. 123; Research report (Safety in Mines Research Establishment (Great Britain)) -- no. 123.
Publisher: Safety in Mines Research Establishment
Published: 1955
Language: eng