Aristo
939
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| General | Manufacturer | Aristo | |
| Model number | 939 | ||
| Model name | 939 Stahlbeton System Göttsch | ||
| Type | Concrete | ||
| Dimension of scales | 25 | ||
| Construction | Duplex | ||
| Material | Plastic | ||
| Cursor | Plastic | ||
| Scales | A[B,Special (3),C]D// Special (2)[Special (3)]Special (3) |
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| Scales | Front | Top line | |
| Top edge | |||
| Top | A | ||
| Slide | B,Special (3),C | ||
| Bottom | D | ||
| Bottom edge | |||
| Bottom line | |||
| Back | Top | Special (2) | |
| Slide | Special (3) | ||
| Bottom | Special (3) | ||
| Under slide | |||
| Other construction characteristics | Gauge points | Pi,C,C1 | |
| 1/10/100 or 1/1/1 | 1/10/100 | ||
| Scales change of division | 2/5//2/4 | ||
| Cursor lines front | 1,Various | ||
| Cursor lines back | |||
| Dimension | Width | 33.2 | |
| Height | 4.8 | ||
| Slide | 2.4 | ||
| Cursor | 8.97 | ||
| Depth | 0.47 | ||
| Weigth | 130 | ||
| Manifacture | Date | 1973 | |
| Country | Germany | ||
| Acquisition | Date | 2-2003 | |
| From | Teramo | ||
| Price | |||
| Accesories | Case | Plastic | |
| Box | Thin Cardboard | ||
| Instruction | |||
| Condition | Condition | C2 | |
| Catalogue number | ARS11 | ||