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 408
384 FACILITIES FOR VENTILATING LARGE SHIPS. course of five minutes, every thing might be returned or re-moved, so that no one unacquainted with what was in operationcould perceive afterwards that any thing unusual had been goingon. The fresh and foul air channels in the hatches might beformed by a…