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 410
Fig. 28S … 806. If a temporary discharging-shaft be rigged in the man-ner recommended, not only will it present a power and certaintywhich can never be depended on in the manner shewn in thepreceding figure, but the vitiated air from the hold H will alsobe entirely under control, from the influence of the…
