A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 567
r will be abstracted fromthe room, and much heat will be lost. Thisleads me to notice a defect of a species of grate,lately much in use, in which the opening for thesmoke is at the back of the grate, and very littleabove the level of the fire; as shown in the dia-gram, where the smoke passes… … the draught may be, a quantity of sulphureous va-por and burnt air will be intercepted at A, by thethin edge of the plate in which the aperture ismade, and rise into the room. Common iron-stoves, with open fires, and descending flues,have the same defect; they are very commonlyemployed for warming…
Encyclopedias and dictionaries · Aeronautics
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