Albert Nestler, Lahr in Baden / Germany (1965) **************************************************************** VERSION (B) S C A L E S of the NESTLER » DARMSTADT « Model 0218 ================================================================ Front Side [ inverse / RED ] Back Side ================================================================ ( 0 ... 27 cm Ruler ) L lgX K X3 A X2 ---------------------------------------------------------------- B X2 LL1 exp(0.01X) [CI] [1/X] LL2 exp(0.1X) C X LL3 exp(X) ---------------------------------------------------------------- D X [P] [sqrt(1 - (0.1X)2)] S sin(0.1X) ; [cos(0.1X)] T tan(0.1X) ; [cot(0.1X)] REMARKS: ================================================================ The slide rule came in a BLUE HARD PLASTIC BOX. On the back side of the slide rule is a table with physical constants. There is a Newer (1968) VERSION (C) in the Collection: -------------------------------------------------------- This slide rule came in a BROWN LEATHER CASE. The scales are the same, but the name »NESTLER« and the ID is printed on the upper-right CORNER. The scales are named L,K,A/B,CI,C/D,P,S,T and the SLIDER is colored GREEN. There is an Older (1960) VERSION (A) in the Collection: --------------------------------------------------------- This slide rule came in a BLUE CARDBOARD case. The scales are the same, but the name »NESTLER« is printed on the upper-right CORNER and its ID ( » Nr.0218-Darmstadt « ) is HIDDEN in the BODY under the slider. It came with a METAL-FRAMED CURSOR ... ... The CURSOR GLASS was broken and is now replaced by PVC from a CD-Case. The 3 HAIRLINES are made (precise!) with a sharp » X-ACTO « and colored with a permanent marker. Historical Remarks ... impressum: **************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 11/05/11 |