A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The use of steel props and girders in mines
Information in regard to the styles of props, and the cost of steel as compared with wooden girders in England. (1200 w.) (No. 83402 C)
The use of steel props and girders in mines
Information in regard to the styles of props, and the cost of steel as compared with wooden girders in England. (1200 w.) (No. 83402 C)
The use of steel props and girders in mines
Mines Min
Ashworth, James (author)
1907
Article (Journal)
English
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