Illustrations of the theory and practice of ventilation : with remarks on warming, exclusive lighting, and the communication of sound (1844)
Reid, D. B. (David Boswell), 1805-1863 · London : Longman, Brown, Green, & Longmans · leaf 131
216. Among the instruments that have been employed forthe purposes of ventilation, none hasbeen so very generally used as the FAN, FANNER, 01 BLOWER. This instrument, so well described byDesaguliers, has been made in agreat variety of forms. Figs. 59,60, represent its more common form.In the plan,…
