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 |
| 6655267 | Slide inclination correcting method and slide inclination correcting apparatus in press machinery Disclosed are a slide inclination correcting method and a slide inclination correcting apparatus in press machinery having a slide drive mechanism disposed in a top area of a press machine for driving a slide via a plurality of points to vertically move i... | 12/02/2003 |
| 6595122 | Slide inclination correcting method and slide inclination correcting apparatus in press machinery Disclosed are a slide inclination correcting method and a slide inclination correcting apparatus in press machinery having a slide drive mechanism disposed in a top area of a press machine for driving a slide via a plurality of points to vertically move i... | 07/22/2003 |
