Hyperbolic Match Output
Maker:PICKETT & ECKEL (USA)
Model: N16-ES ELECTRONIC LOG LOG Dual - Base Speed Rule
Scales Front: || SH1, SH2, TH, DF || CF, L, S&S, ST, T&T, CI, C || D, LL3, LL2, LL1, Ln ||
Scales Back: || θ & θ, db & db, D or Q, XL, Zs OR Xc || C or L, F, λ, ω, τ, τR' or X'c, Cr || Lr, db & db, COS Q & COS Q, t'C or C' || (NOTE: Both the tR' or X'c and the t'C or C' scales include numerous sub-scales for solving electronic calculations).
Gauge Marks: π is on C, D, CF, DF, and CI; R, π/4, sqrt √ of 2, and 1/sqrt √ of 2, are on C & D scales; e is on LL2 and LL3; the marks ' and " are on ST.
Construction: 25 cm.; Yellow film over Aluminum, Cursor is not framed, Adjustable metal brackets.
Information: Variations: There is a version with all black scales.