g the iron beam. Fig. 11. Fig. 11 illustrates the different stylesof castings or socket-bearers on whichthe ends of the corrugated iron platesrest. Fig. 12. Wrought-iron beams used inthe construction of fire-proof buildings. Fig. 13. A wrought-iron (I) beam,with socket-bearer resting on the… … Mr. Fairbairn, Civil Engineer, says:Assuming wrought-iron plates one-fourth of an inch thick, and bent in the Fig. 13.
Architecture
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