CHAPTER VII.

FIREPROOF BUILDINGS--GENERAL CONSTRUCTION.

Fireproof buildings for business purposes--Mr. Braidwood’s opinion on warehouse construction--Use and strength of iron--Iron supports for house-fronts--Wood posts _versus_ iron columns--Captain Shaw’s experiments--Dennett’s column--Danger from faulty building--Stone and concrete as fireproof materials--Iron girders--Stairs and doorways--Danger from windows--Iron sashes and shutters--Roofs and ceilings--Brick the best material 70