Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 235
y in his work-shop,-creating the demand for well lighted working floors. A more liberal and humane attitude towards the em-ployees, on the other, called attention to the necessity ofgood ventilation. The older forms of factory construction consisted of moreblank wall space than windows, while the… … The wooden window was not capable of adaption to thisnew scheme. In large panels they were not rigid enough,the ventilating costs were extremely high, and a great dealof the window .space was taken up by the wide, woodenmembers. In damp weather they often warped and losttheir shape, oi began to…
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