IBM-POSTER



    from START ...

         PHILIPP MATTHAEUS HAHN (1739-1790)
         USED ONE CENTRAL » STEPPED DRUM «  
         IN HIS CALCULATOR

     ... to FINAL ...

         CURT HERZSTARK (1902-1988)
         MADE HIS CALCULATOR
         » CURTA «
         IN 1948

impressum:
**************************************************************************************
© C.HAMANN                http://public.BHT-Berlin.de/hamann                  06/06/18