"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 5294406 | Waste solution treatment apparatus An apparatus for treating a waste solution which contains a nonvolatile substance such as a toner used for development of an electrophotographic film and a liquid which is difficult to volatilize at normal temperatures such as isoparaffin. The waste solut... | 03/15/1994 |
| 4789331 | Liquid fuel burner A burner comprises a fiber wick-filled atomizing chamber formed at an end of a combustion cylinder that constitutes a combustion chamber; a perforated ceramic disc provided in front of the atomizing chamber; and a heating plug that protrudes into the comb... | 12/06/1988 |
| 4351316 | Combustion apparatus for burning waste oils Combustion apparatus for burning waste oils of various viscosities with high combustion efficiency and which can meet strict polution regulations comprises primary and secondary combustion chambers with the secondary combustion chamber located above the p... | 09/28/1982 |
| 4136625 | Flame injection throats for furnaces A flame injection throat for a furnace incorporates a furnace structure formed with a flame injection throat opening lined by at least one ring of refractory tiles the adjacent edge portions of the outer faces of selected adjacent tiles are formed with al... | 01/30/1979 |