. The railroad and engineering journal . Fig. I. Fig. 2. then under construction in the shops. * Thedesign of thishammer was subsequently modified, and its power in-creased from 80 to 100 tons. In 1878 the Naval Steel Works, at St. Chamond, France,built an 80-ton hammer, intended, like that at Creusot, toforge heavy guns and armor-plates. In 1SS5 the SocieteCockerill, at Seraing, Belgium, built a100-ton hammer intended for the Terni Steel Works in Italy. In 1886, Marrel Brothers, at Rive deGier (Loire), France,built two hammers, one of 50 and one of 100 tons. The Bethlehem Iron Works, at Bethl
. The railroad and engineering journal . Fig. I. Fig. 2. then under construction in the shops. * Thedesign of thishammer was subsequently modified, and its power in-creased from 80 to 100 tons. In 1878 the Naval Steel Works, at St. Chamond, France,built an 80-ton hammer, intended, like that at Creusot, toforge heavy guns and armor-plates. In 1SS5 the SocieteCockerill, at Seraing, Belgium, built a100-ton hammer intended for the Terni Steel Works in Italy. In 1886, Marrel Brothers, at Rive deGier (Loire), France,built two hammers, one of 50 and one of 100 tons. The Bethlehem Iron Works, at Bethlehem, Pa., in theUnited States, are now building a 125-ton hammer intendedto forge heavy shafts for marine engines and guns, armor-plates, and other war material. CHAPTER AND PARTS OF THE HAMMER. This study of steam hammers will include : I. Single-acting hammers ; that is to say, those in whichthe steam acts only upon one side of the piston, to raisethe hammer ; these are used chiefly to make the heaviestforgings, suc
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