Name | Keuffel & Esser 4053 - 3F Polyphase Mannheim Adjustable, graduated as closely as the 50cm rule |
Front Scales | 10inch / A = B CI C = D K ] 25cm |
Back Scales | = S L T = |
Type of Rule | |
Material | Engine divided celluloid laminated mahogany |
Dimension (mm) | |
Area of Use | |
Origin of Rule | Michael O'Leary |
Match Number | 4124 |
Comment | |
Thumbnail | No Picture |