Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 90
INSPECTION AND INSURANCE COMPANY, Vol. XXIV. HARTFORD, CONN., JUNE, 1903. No. 6. The Constpuction of Seamless Boiler Shells. At the recent Dusseldorf Exhibition, in the pavihon of the RheinischeMetallwaaren und Maschinen Fabrik, the products of the Ehrhardt hydraulicpressing process were exhibited.… … Fig. 2. Fig. 3. The Ehrhardt Method or Perforating Steel Billets. May issue of the American Engineer, to which paper we are indebted for thematerial from which the present article was prepared. The manufacture of a seamless boiler shell by the Ehrhardt process involvestwo distinct operations:^—the…
Locomotives · Steam-boiler explosions
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