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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 411

An illustration from Illustrations of the theory and practice of ventilation : with remarks on warming, exclusive lighting, and the communication of sound, 1844, leaf 411
system shewn in theFigs. 284. 285 is preferred, these being transverse sections of B b 386 THE POWDER MAGAZINE. the shafts for the ingress of fresh air, and the discharge of vitiatedair. when rigged for a temporary purpose to act powerfully on thewhole of the ship. The air entering by descent is… … athwart ship, and terminating in the central discharge. A valvein the hold regulates the discharge from it. THE POWDER MAGAZINE. 387 - 808. Each individual opening being provided with a valve,the power of any machine can be cut off or put on at pleasure,and regulated to any extent that may be…

Ventilation · Heating · Lighting · Architectural acoustics

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