266 / | HD | METALLURGICAL APPARATUS |
200 | DF | MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL {19} |
243 | DF | .~ Bessemer-type treating vessel {2} |
245 | .~.~ With means pivotally mounting vessel {2} | |
246 | DF | .~.~.~> Means mounting vessel to trunnion ring |
247 | DF | .~.~.~> Means mounting vessel to U-shaped trunnion support means |