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 |
| 5450908 | Spring-cushioned hydraulic depth control system for tillage implements A tillage implement has its residue incorporating gangs of discs hydraulically adjustable on-the-go to vary the extent of residue incorporation. Cylinders connected with the gangs are of matching volumetric capacities and are connected in a series hydraul... | 09/19/1995 |
| 4516789 | Crop clearing mechanism A mechanism for clearing paths through a crop bed for the wheels of a tractor includes a pair of power driven vertically, parallelly disposed rotatable cylinders positioned forwardly of a wheel to be moved through a crop bed. The cylinders are rotated in ... | 05/14/1985 |
