A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Development of Illumination Systems for Low Coal Mines
As a result of early experiments in underground mine illumination, the Bureau of Mines recognized the need for additional experience with the underground lighting of coal mines having low coal seam thickness. The article reports the results of several fluorescent illumination installations in mines operating in low seam coal.
Development of Illumination Systems for Low Coal Mines
As a result of early experiments in underground mine illumination, the Bureau of Mines recognized the need for additional experience with the underground lighting of coal mines having low coal seam thickness. The article reports the results of several fluorescent illumination installations in mines operating in low seam coal.
Development of Illumination Systems for Low Coal Mines
A. Ketler (author) / R. Pellman (author)
1976
58 pages
Report
No indication
English
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