Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 4753289 | Method and apparatus for continuously maintaining a volume of coolant within a pressurized cooling system A sealed accumulator is positioned at a location remote from the conventional pressurized liquid cooling system of an internal combustion engine. An overflow conduit communicates between a high point in the system and the accumulator. A make-up conduit co... | 06/28/1988 |
| 4366781 | Fuel system for vehicles To provide fuel for a vehicle, a product of fermentation such as a water/ethanol mixture is circulated in the cooling circuit of the engine of the vehicle. The fuel is distilled from the cooling circuit and at least a portion of the distilled fuel is burn... | 01/04/1983 |
| 4036188 | Carburetor equipped with a cooling system A carburetor equipped with a cooling system composed of cooling fluid passages incorporated in the carburetor flange and/or heat insulator mounted below the flange portion, said cooling system being supplied with cooling fluid only for a predetermined dur... | 07/19/1977 |
| 3945353 | Two phase nozzle cooling system A two phase fuel injection nozzle cooling system having a hydraulically cooled heat pipe. The heat pipe contains a hermetically sealed cooling medium which has a boiling point corresponding to the upper range of acceptable nozzle operating temperatures to... | 03/23/1976 |
