Useful information for architects, engineers, and workers in wrought iron (1886)
Phoenix Iron Company · Philadelphia : Printed by J.B. Lippincott Co. · leaf 129
n..080728 lb. r 1.000 lbs. Oxygen. , 3-347 lbs. Nitrogen.4.347 lbs. J.0185(.0621 Carbonic acid = C 02 == 22. :6. Ot=\ 02= 16. 6 -f- 16 — 22. For combustion to carbonic acid I lb. of coal requires2§ lbs. of oxygen, or 143.6 cubic feet of air, supposing allof the oxygen to combine with the coal. 280… … THE above cut illustrates a girder composed of two beamssupporting a wall. During the construction a tem-porary prop should be placed beneath the girder after severalcourses of brick have been laid, and the prop should notbe removed until the masonry is dry. This will preventundue deflexion of the…
Wrought-iron · Iron, Structural · Building, Iron and steel · Building
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