Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 5648637 | Multi-disk shell An otherwise conventional shell is provided with a load consisting of a plurality of axially stacked disks. The disks separate during flight and each strikes the target with a substantial portion of the initial momentum imparted to the disks thereby contr... | 07/15/1997 |
