Hyperbolic Match Output
Maker:DING FENG (China)
Scales Front: || 2D, L, K, A || Sin&Cos,Tan&Cot, CI, C || D, Th, Sh2, Sh1 || CF and DF are folded at √10
Scales Back: || LL1I, LL2I, LL3I, DF || CF, CIF , H, CI, C || D, LL3, LL2, LL1||
Gauge Marks: e on LL3
Construction: 25 cm; Plastic face on laminated wood ;Cursor is framed with notched wheel for fine cursor adjustment.
Information: Collection of Daryl Tang