Faber Castell 57-74 Textile Slide Rule, System Schirdewan

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Country of manufacture: Germany,            Date of manufacture: ____
Overall length: 30.0 cm,          Width: 4.0 cm,           Weight: 66.0 gms
Materials: Simplex design, all plastic
Cursor: 8.4 X 3.8 X 0,5 cms; all plastic; lines = thirteen lines, front only
Scales: 14, extensions on A, B, BI, C, D, some specialized
Front: 10 in // LL, A [ B, BI, C ] D, Z₁
Back: 27 cm
Slide Back: -%, Z₃, +%, BI, Z₂
Gauge Marks: [π, C, C1, m (128), y (14), cm (16), kg (245), lbs (54), in (63) ]
Condition: C1 (All extras Mint, except box shows signs of wear)
Came with: Original cardboard box, 2-part plastic case, manual

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