MEISSNER KG, Dresden / (GDR) Germany (1953) ********************************************************* VERSION (A) S C A L E S of the MEISSNER » RIETZ « Model 75/2b ========================================================= Front Side [ inverse / RED ] Back Side ========================================================= ( 0 ... 25 cm Ruler ) K X3 A X2 --------------------------------------------------------- B X2 S sin(0.1X); [cos(0.1X)] [CI] [1/X] ST arc(0.01X) C X T tan(0.1X); [cot(0.1X)] --------------------------------------------------------- D X L lgX ( 0 ... 10 " Ruler ) R E M A R K S : ( 1° = 60' ; 1' = 60" ) ========================================================= The TRIGONOMETRIC SCALES are divided in MINUTES & SECONDS There are 3 Versions in the Collection -------------------------------------- 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. Have a look at Newer Versions Historical Remarks ... impressum: ********************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 05/23/07 |