Mear Rotoscale circular slide rule

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Country of manufacture: England,            Date of manufacture: ____
Diameter: 14.5 cm,      Weight: 98.1 gms
Materials: all plastic
Cursor: single cursor, single line
Scales: 14
Front: LL3, LL2, LL1, D [ C, CI, B ] A, K, S2, S1, T2, T1, L
Back: Blank
Condition: C3 (Very minimal signs of use)
Came with: Original blue plastic case with snap closure

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