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| Item# | Type | Model No. | Match No. | Variant No. | Model Name | Maker | Country | Production or Serial No. | Material | Scale Length | Date | Condition |
| KEU271 | Linear | N4058C | 4155 | 6 | Beginner's | Keuffel & Esser | USA | n/a | Boxwood w/printed scales | "10" | 1934 | C1 |
Notes: "Company notation and table notation on back of slide rule moved from below table to left side of table. Same as model 4058, match no. 4156 variant no. 3, but with frameless glass indicator with wooden guides."
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