Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 4210491 | Method and apparatus for retorting a substance containing organic matter An improved method and apparatus for converting a substance containing organic matter into hydrocarbon vapors and solids residue by feeding the substance into the upstream portion of a substantially cylindrical retort having a substantially horizontal lon... | 07/01/1980 |
| 3990949 | Device for returning remainders from the platform to the interior of a coke oven The arrangement comprises a working member formed by a pair of intercommunicating nozzles of which one nozzle comprises a bellmouth mounted above the oven platform with a certain spacing, facing with its enlarged portion the bottom part of the oven and in... | 11/09/1976 |
