Aristo 0958 Geodat (400^g)

Country of manufacture: Germany, Date of manufacture: ____
Overall length: 33.9 cm, Width: 4.8 cm., Weight: 122.8 gms.
Materials: All plastic, glued-on plastic end braces elevated on back side with rubber bumpers to raise off desktop
Cursor: 3.8 X 6.0 X 1.0 cms; All-plastic, slightly magnifying on front side, detachable; lines = two lines on front, three on back
Scales: 22, extensions on x (back side) and x²
Front: arc, tan (0-50), tan (50-94), πx [ πx, 1/πx, 1/x, x ] x, √(1-x²), sin, cos
Back: 1-cos (0.001-0.1M), 1-cos (0.1-10M), x² [ x², 1/tan(α/2), sin cos, cos² ] x, lg x, x³
Gauge Marks: [ π, ρ (636) ]
Condition: C0 (Mint, with extras in mint condition)
Came with: Original gray/beige plastic box/case, manual, conversion tables & ruler