Hyperbolic Match Output
Maker:RUYI (Chinese Shanghai)
Model: No. 6201
Scales Front: || L, K, A || B, T&T, ST, S&S, C || D, Sh2, Sh1, Th ||
Scales Back: || LLo1, LLo2, LLo3, DF || CF, CIF, CI, C || D, LL3, LL2, LL1|| CF and DF are folded at π
Gauge Marks: π is on A, B, C, D, CI, CF and DF; π/4 is on A & B; c is on C; marks 1°, ' and " are on ST
Construction: 25 cm.; Plastic on laminated wood; Cursor is framed. Adjustable metal brackets.
Information: Seems to be the same as SIDA Model 6201 See 105