The Emporium of arts & sciences . y injury at all. By an early use of it, perspirationand damps will presently be dried away; heating ofcourse will be prevented; and even, the production ofthe pernicious grub alluded to : for, be the nidus of itseggs ever so productive, their embryos will not vivify,without moisture to sustain them. Wherefore, it shouldseem that the corn-merchant in future will have little tofear, save the influx of sea-water; and even this (if insmall quantities) will, by the frequent use of the ventila-tor, gradually dry away. 1 e No. 41. Directions for constructing a cheap
The Emporium of arts & sciences . y injury at all. By an early use of it, perspirationand damps will presently be dried away; heating ofcourse will be prevented; and even, the production ofthe pernicious grub alluded to : for, be the nidus of itseggs ever so productive, their embryos will not vivify,without moisture to sustain them. Wherefore, it shouldseem that the corn-merchant in future will have little tofear, save the influx of sea-water; and even this (if insmall quantities) will, by the frequent use of the ventila-tor, gradually dry away. 1 e No. 41. Directions for constructing a cheap Bed and elasticFrame, for the easy conveyance of sick or woundedPersons. Invented, and most humbly presented to hisRoyal Highness the Commander in Chief By PatrickCrichton, Lieutenant-colonel of the Second RegimentKoyal Edinburgh Volunteers. (With a Plate.)Directions for the Construction of the Elastic Frame. REFERENCES, THE lower frame A A (Plate 9, fig. 8,) is made of ashor elm^ seven feet long, and five feet four inches a cheap and elastic Frame. 317 B B. Two strong wooden pillars, bound on the sidesby two circular pieces of iron, for supporting the elasticframe. CCC. The elastic frame, made of the best ash, sup-ported by the wooden pillars, and semicircular piecesof iron. E E. The frame or cott, containing a mattress or pelisse,stuffed with straw.—Two or three hammocks may besuspended, and will answer as well as the cott. F F. Rings and iron hooks, by which the cott, bed, andmattress are supported. G G G. Four handles projecting from the under frame,one foot three inches long each, by which the whole maybe carried by four men. H H H H. Four semicircular hoops, over which a covercan be thrown, to protect the patient from the weather. The under frame and pillars should be made of ash orelm, well seasoned. The elastic, or upper frame, should be made of ash,remarkably clean and well seasoned, thick in the middlewhere it is supported, and tapering towards the ends. The
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