eams and Girders. THE Union Iron Mills, Pittsburgh, Pa. Theattention of Engineers and Architects is called toour improve* Wrought-iron Beams and Girders (patent-ed), in which the compound weld? between the stem andflanges, which have proved so objectionable in the oldmode of manufacturing, are… … Are what are universally known as the « FO WLEK PRESS, > improved,and are vHthout a rival as regards strength anddurability, combined with deiicacy of adjustment of thePunch. NOTICE is hereby giventhat the STILES POWER PRESS Is a direct txprixgejiext op oi;r patent dated April17,1855, and…
Patents · Exhibited · Assignor · Boiler · Iron · Spontaneous ignition · Antedated · Small quantity · Patent laws · Patent office · Additional force · Scientific American · Sulphuric acid · Roquefort cheese · Wrought iron · Years ago
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