Name | Keuffel & Esser N < 4053 - 3F > Mannheim Adjustable dated 1923 |
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 |
Dimension (mm) | |
Area of Use | generic |
Origin of Rule | Dave Rueb |
Match Number | 4704
|
Comment | |
Thumbnail | |