Hyperbolic Match Output
Maker:RUYI (Chinese Shanghai)
Model: No. 1002
Scales Front: || Ln1I, Ln2I, Ln3I, DF || CF, CIF, H2, H3, CI, C || D, Ln3, Ln2, Ln1|| CF is folded at √10
Scales Back: || sh2, sh3, K, A || B, sin2cos2, H'2, tg2ctg2, tg3ctg3, C || D, DI, lg, th2 ||
Gauge Marks: π is on A, B, C, D, and DF; π/4 is on A and B; 1° and R are on C and D; v on K.
Cursor Front: Has KW at top middle; HP(**) is at right over the A & B scales.
Construction: 25 cm.; Plastic; Cursor is not framed. Has adjustable metal brackets.
Source: R.H. and WKR
Information: Similar to Flying Fish 1002 See30.