SIDA 6201 Hyperbolic

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Country of manufacture: China,            Date of manufacture: ____
Overall length: 32.0 cm,          Width: 4.5 cm,           Weight: 132.7 gms
Materials: bamboo and celluloid laminate, metal end braces
Cursor: 3.0 X 5.8 X 1.2 cms; plastic runners holding plastic lens, adjustable; lines = one line on front, one on back
Scales: 23, extensions
Front: LLo1, LLo2, LLo3, DF [ CF, CIF, CI, C ] D, LL3, LL2, LL1
Back: L, K, A [ B, T, ST, S ] D, Sh2, Sh1, Th
Gauge Marks: [C (1129), π, '' (1182), ' (1970), 786, e ]
Condition: C3 (Very minimal signs of use)
Came with: Original light blue plastic box/case

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