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| Antique 506a Keuffel & Esser Log Log Duplex Decitrig no. 4081-3 |
| 506a |
| $75.00 |
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Ruler has Keuffel & Esser Co. NY pats 1,488,686 1,930,852 pat. pend made in USA with 4081-3 on one end and 663740 on the other rule in good condition case has previous owners name but in good condition. More pictures upon request. |
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