| Name | Keuffel & Esser N < 4053 - 3F > Polyphase Mannheim Adjustable, dated 1934 |
| 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 | 4507 |
| Comment | |
| Thumbnail | No Picture |