ACU-RULE FESTUS MFG. CO., Festus, Montana / USA (1940) ******************************************************************* S C A L E S of the » ACU-RULE « M E D I U M S I Z E SLIDE RULE =================================================================== ( one-sided only ) A X2 ------------------------------------------------------------------- B X2 CI 1/X C X ------------------------------------------------------------------- D X K X3 R E M A R K S : =================================================================== The SR is made out of solid wood. The surfaces are painted white w. black printed scales on front & conversion tables and mathematical constants on its back side. The cursor has a magnifyer. No case. Historical Remarks ... impressum: ******************************************************************* © C.HAMANN http://public.BHT-Berlin.de/hamann 05/05/11 |