MEISSNER KG, Dresden / (GDR) Germany (1956) ********************************************************* S C A L E S of the MEISSNER » DARMSTADT « Model 772/6 ========================================================= Front Side [ inverse / RED ] Back Side ========================================================= ( 0 ... 27 cm Ruler ) L lgX --------------------------------------------------------- K X3 A X2 --------------------------------------------------------- B X2 LL1 exp(0.01X) [R] [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)] R E M A R K S : ( 1° = 60' ; 1' = 60" ) ========================================================= The TRIGONOMETRIC SCALES are divided in MINUTES & SECONDS This historic slide rule is made of beech wood. Scales are printed on celluloid veneer. On its back side are conversion tables. It came in a black cardboard case. Historical Remarks ... impressum: ********************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 10/09/08 |