Jacob A. Riis (18491914). The Battle with the Slum. 1902.
close air. Oil is cheaper than coal. The air shaft is too busy carrying up smells from below to bring any air down, even if it is not hung full of washing in every story, as it ordinarily is. Enterprising tenants turn it to use as a refrigerator as well. There is at least a draught of air, such as it is. When fire breaks out, this draught makes of the air shaft a flue through which the fire roars fiercely to the roof, so transforming what was meant for the good of the tenants into their greatest peril. The