Creative Commons Attribution-Share Alike 4.0 truetrue English Roof Turbine Ventilator URL: https://commons.wikimedia.org/wiki/user:SAF1999 Wikimedia...
extracted image: “CARNEGIE LIBRARY PITTSBURGH 1895” bookplate - American engineer and railroad journal (IA americanengineer74newy) (page 2 crop).jpg....
concrete. The roof is provided with a monitor con-taining skylights and ventilators and the side walls containnumerous windows, all of which may be swung...
coal receiving, weighing and distribvitiiiR apparatus. A monitorwith ventilators and windows, and a skylight illuminates the centralwell between chimneys...
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