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Scientific American, Vol. 67, No. 20 (November 1892) (1892)

leaf 7

An illustration from Scientific American, Vol. 67, No. 20 (November 1892), 1892, leaf 7
n from made of mild steel, and provided with steel flanges. surface by means of etching and oxidation of the metal. the fire and stir in enough turpentine to make it the The ball unions are cast iron, outside diameter 1,350 Suppose the plate to be decorated to consist of polish- consistency of tube… … LAYING OF FLEXIBLE WATER PIPES, RIVER MAAS. and light green, bright green and red, bright pink, iri- To sink the tube, two barges are fastened together, and covers with a brush, dipped in a suitable varnish, descent purple, may be made by the same method with and between them is constructed a…

Patents · Wire · Apparatus · Munn · Steel · Scientific American · Wire fence · Twisted sheet · Sheet metal · White lead · Letters patent · Cane head · Cast steel · Sewing machine · Storage battery

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