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- 35mm slide: 20560
- World Region
- Old World
- Lithic technology, hard hammer percussion. (Original teaching slide code: PM-21)
- Image Categories
- Text/Graphic/Model: Artifact Illustration
- Source Type Detail
- Book Citation: "Early Man," by F. Clark Howell and the Editors of LIFE; p. 110. New York: Time Inc., 1965.
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