KEUFFEL & ESSER, Hoboken, NewJersey / USA SN = 006373 (1960) *************************************************************** S C A L E S of the » LOG LOG DUPLEX DECITRIG « Model 4181-1 =============================================================== Front Side [ inverse / RED ] Back Side =============================================================== [LL02] [exp(-0.1X)] [LL01] [exp(-0.01X)] [LL03] [exp(-X)] L lgX K X3 DF πX A X2 --------------------------------------------------------------- CF πX B X2 [CIF] [1/πX] T tan(0.1X) ; [cot(0.1X)] [CI] [1/X] SRT arc(0.01X) C X S sin(0.1X) ; [cos(0.1X)] --------------------------------------------------------------- D X D X LL3 exp(X) [DI] 1/X LL2 exp(0.1X) LL1 exp(0.01X) REMARKS: =============================================================== The package included: A box, slide rule in a green leather case and a (126 pages) manual for the 4081 & 4181 models. Historical Remarks ... impressum: *************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 12/23/07 |