Hyperbolic Match Output
Model:Duplex Slide Rule No. 275 (For Advanced Electrical Engineer) Version 2
Scales Front: || L, K, DF || CF, CIF, CI, C || D, LL3, LL2, LL1 ||
Scales Back: ||Sh1, Sh2, Th, A || B, TI2, TI1, SI, C || D, X , Θ || X is radians; Θ degrees.
Construction: 50cm.; Plastic face on laminated wood ; Cursor is framed. Adjustable metal brackets.
Date:a 1958 - 1963
Information: Need complete information with listing of details of scales, gauge marks and cursor lines.