Underground lighting in coal mines
By: by C. D. J. Statham.
Contributors: Institution of Electrical Engineers.
Publisher: [Institution of Electrical Engineers]
Published: 1956
Place of publication: [London]
Language: eng
Number of pages: 12
Notes: "The paper was first received 28th October, 1955 ... It will be republished in 1956, in Vol. 103, Part A, of the proceedings of the Institution".