File:History of Inventions USNM 12 Jackknife.png

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English: No. 1. Knife consisting of spall of stone 173,563

No. 2. Knives consisting of spalls sliglitly modified 30,504, 146,131

No. 8. Knife consisting of long flakes specially selected 99,918

No. 4. Knife from long flake, chipped on the edge 173,566

No. 5. Symmetrically chipped blades, the grip formed by wrapping one end with fur 98,813, 26,230

No. 6. Chipped blades, with tang for attaching to the end of the handle__ 17,319, 14,329, 63,769

No. 7. Chipped or ground blades of stone, with tang for side hafting 48,826, 136,991

No. 8. Knives of bamboo, the hard exterior forming the cutting edge. West Borneo and Gaboon River, Africa 249,048, 164,484

No. 9. Knife of ivory with slightly shaped handle. Knife of scapular bone with wrapped handle. Eskimos, Alaska 26,040

No. 10. Clam shell with sharpened edge. Beaver tooth set in handle. Eskimos and Indians, Alaska 36,366,168,352

No. 11. Copper and bronze blades ; handle and blade in one piece_ 101,223, 101,405

No. 12. Metal blades, with tangs to be driven into the ends of handles.

No. 13. Metal blades, with sockets for handles 147,420, 14,722

No. 14. Metal blades, with flat tangs for rivets 101,338, 45,948

No. 15. Hinged blades, closing in the handle. Morocco 130,324, 168,804

No. 16. Hinged blade, closing in the handle with a spring. American Frontier. 54,340

No. 17. Farrier's knife, with hinges and springs, showing a variety of blades.
Date
Source Walter Hough (1922). Synoptic series of objects in the United States National Museum illustrating the history of inventions. Proceedings of the United States National Museum 60 (2404). 1-47, 56 pl.
Author United States National Museum (Smithsonian Institution), Washington D.C.
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