Name | Keuffel & Esser 4053 - 5 Polyphase Mannheim Adjustable |
Front Scales | 20inch / A = B CI C = D K ] 50cm |
Back Scales | = S L T = |
Type of Rule | slide rule |
Material | Engine divided celluloid laminated mahogany |
Dimension (mm) | 500x36x9 |
Area of Use | generic |
Origin of Rule | Michael O'Leary |
Match Number | 4132 |
Comment | |
Thumbnail | No Picture |