The builder's practical director; or, Buildings for all classes, containing plans, sections and elevations for the erection of cottages, villas, farm buildings, dispensaries, public schools, &c., with detailed estimates, quantities, prices, &c. .. (1855)
Leipzig, Dresden : A. H. Payne; [etc., etc.] · leaf 616
V DETAIL B … PLAN D N? a THE VENTILATION OF BUILDINGS. 37 whence it rises upwards. Some fiinuers aro worked by hand and used only occasionally; theyhave suction and blowing pipes, the former attached to .the space containing vitiated air and thelatter Avith the external air. An apparatus of this description…
Architecture
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