FEINMESSINSTITUT JOE KLAWUN, Berlin / Germany (1940) ************************************************************************** S C A L E S of the J O E K L A W U N ( Merchant ) Model 1001/S ========================================================================== Front Side Scales in [RED] & {GREEN} Back Side ========================================================================== ( 0 ... 27 cm Ruler ) (DF) 3.6*X KZ: K = Start-Kapital, Z = Zinsen -------------------------------------------------------------------------- [CF] [3.6*X] T = Tage Shillings/Pennies {CI} {1/X} Val.; p% = Prozentsatz [C] [X] E ; T = Tage Pounds / lgX -------------------------------------------------------------------------- (D) X V ; Z = Zinsen ( 0 ... 10" Ruler ) R E M A R K S : ========================================================================== Move the mouse over its cursor to see (Pop-Up)DETAILED PICTURES ... This Merchant-SR = "Der Rechenstab des Kaufmanns: System KLAWUN" (s.right) is made of mahagony with scales on celluloid veneer. On its back side are instructions how to use this SR. On its side is engraved: A.N.A.G. - This SlideRule was made by ALFRED N E S T L E R AG. The (DF),[CF]-Scales are folded at 3.6 * X for Days-of-the-Year. Here the (German-) named scales are marked with their common symbols in brackets (DF),[CF] - The formula & translation: Zinsen (in % ) = Z = ( K * p * n )/100 ; n = Jahre = Tage/360 ( Z = Interest; K = Capital; p = Interest Rate; n = Years; T = Days ) E = Einkaufspreis ( = Wholesale Price ) V = Verkaufspreis ( = Retail Price ) Val. = Valuta = Currency Historical Remarks ... impressum: ************************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 05/28/17 |