A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Also tests by Robert A. Cummings. (5500 w.) (No. 86483) (Read before the Assn. of Ry. Tel. Supts)
Also tests by Robert A. Cummings. (5500 w.) (No. 86483) (Read before the Assn. of Ry. Tel. Supts)
Experiments with concrete telegraph poles
Cement Age
Cellar, G.A. (author)
1907
Ills.
Article (Journal)
English
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