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Description: |
| "This invention relates to improvements in drawing knives or tools with folding handles; and it consists in a simple and effective means for securing the handles in various positions to the ends of the cutting-blade..." The design uses a bolt with thumbscrew to lock the angle of a handle. See also the description of patent 543,146.From the web: "'All matters relating to patents, and at very reasonable charges,' reads the 1870 advertisement of Alban Andrén, Solicitor of Patents, and Constructing Engineer, 4 Liberty Square, Boston." |
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