Scientific American Volume 13 Number 50 (August 1858) . © 1858 SCIENTIFIC AMERICAN, Scientific American. S. N. D., of N.—You are correct in regard to the con -veuienceof drawing up water in buckets with hingedvalves in their bottoms, to open and close by the pres-sure of the water. But you do not seem to be awarethat such buckets are old and well-known. A Correspondent sends us a sketch of a brick ma-chine from Paducah, Ky., but fails to sign his name tohis letter. If he will supply this omission we will an-swer him by mail. G. B. D.,ofTenn.—We think that tt Moseley s Me-chanics applied
Scientific American Volume 13 Number 50 (August 1858) . © 1858 SCIENTIFIC AMERICAN, Scientific American. S. N. D., of N.—You are correct in regard to the con -veuienceof drawing up water in buckets with hingedvalves in their bottoms, to open and close by the pres-sure of the water. But you do not seem to be awarethat such buckets are old and well-known. A Correspondent sends us a sketch of a brick ma-chine from Paducah, Ky., but fails to sign his name tohis letter. If he will supply this omission we will an-swer him by mail. G. B. D.,ofTenn.—We think that tt Moseley s Me-chanics applied to the Arts, and Dr. Lardner on theSteam Engine, would suit you. Both can be procuredfrom Wiley & Halstead, this city. The other booksare hard and dry. R. H. L., of Wis.—The best battery for galvanizingpurposes is Smees. drill glass with diamonddust and a steel drill. P. C, of Mass.—Providing funnels with a vent tubeat their sides to admit the escape of air or gas from ves-sels into which liquids are being poured is not new orpatentable. John C. Elder, of Batori Ro
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectcombina, bookyear1858
