HEMMI SLIDE RULE CO., LTD., Tokyo / Japan (1970) *************************************************************** S C A L E S of the HEMMI CIRCULAR SLIDE RULE Model »1001« =============================================================== ( one-sided only ) A X2 D X outer circles --------------------------------------------------------------- C X inner circles [CI] [1/X] [ inverse / RED ] --------------------------------------------------------------- L lgX center circle REMARKS: =============================================================== This circular slide rule model »1001« is made out of plastic. It came in a yellow/acryl plastic case with a booklet also for model »1002« ( which has no lgX scale ). Historical Remarks ... impressum: *************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 11/23/07 |