Hyperbolic Match Output
Maker:FLYING FISH (China)
Model:No. 6006 Electrical Engineering Slide Rule
Scales Front: || db, Neper, Volt, Dynamo, A || B, T&T, S&S, C || D, K, P, L || CF is folded at π
Scales Back: || Sh1, Sh2, Th, Ch, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 ||
Gauge Marks: π is on A, B, C, D, and CI; π/4 and M is on A and B; C, π/180, p' , p , C1, and R are on scales C and D.
Cursor Front: Has three unknown marks.
Construction: 25cm.; Plastic; Cursor is framed. Adjustable metal brackets.
Source: Xu Guisheng