s patented, in the Uni-ted States, April 18, 1871. Foreign patents have been se-cured. For further particulars address W. S. Barlow, Presi-dent Beckwith Sewing Machine Co., 26 West Broadway,New York. Pig Iron.—Mr. C. H. P., of Milburn, Ky., writes to say thata hog of his died suddenly, and in the… … tacce of simplicity. The invention consists in a clamping de-vice for holding saws in the processes of filing and setting,the utility of which will at once impress itself on the minds ofpractical mechanics. Fig. 1 shows the implement folded and lying on the top ofa neat packing case. Front and rear…
Patents · Gas · Consists · Compressing · Apparatus · Iron · Scientific American · Gas pipe · American patent · Gas works · South america · Compressing column · Hot air · Small pox · Cast Iron · Wrought iron
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-489-81.webp)
