Name | Keuffel & Esser 4053 - 3 Polyphase Mannheim Adjustable |
Front Scales | 10inch / A = B CI C = D K \ 25cm |
Back Scales | = S L T = |
Type of Rule | slide rule |
Material | Engine divided celluloid laminated mahogany, with molded plastic back |
Dimension (mm) | 278x35x8 |
Area of Use | generic |
Origin of Rule | Michael O'Leary |
Match Number | 4582
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