Hyperbolic Match Output

Number:24a

Maker:DING FENG (China)

Model:No. 5651

Scales Front: || 2D, L, K, A || Sin&Cos, H',Tan&Cot, CI, C || D, Th, Sh1, Sh2 || CF and DF are folded at √10

Scales Back: || LL1I, LL2I, LL3I, DF || CF, CIF , H, CI, C || D, LL3, LL2, LL1||

Gauge Marks:

Cursor Front:

Cursor Back:

Construction: 25 cm; Plastic face on laminated wood ;Cursor is not framed; Adjustable metal end brackets.

Date:

Source: XU Guisheng

Information: