Rotary
            calculators 
      Printing
          calculators 
          Friden 1217 
          Lagomarsino Totalia S4GT 
          Marchant 416-S 
          Monroe 570 
          Monroe 580 
          Monroe Mach 1.07 
          Monroe PC-1421 
          Olivetti Divisumma 26 
		  Olivetti Logos 27-2 
          Olivetti Tetractys 
          Precisa 166 
          Victor 73-85-54 
		  Victor 79-88-54 
		  Victor 10-871 
      Walther Diwa 32 
      Mechanisms 
      Glossary 
    Other
        calculating devices 
    References
      and links 
      Acknowledgements 
    Wanted  | 
      | 
    
      
      
        | Monroe
              570 | 
          | 
          | 
          | 
          | 
       
      
          | 
          | 
        Manufacturer 
         | 
          | 
        Monroe
          Calculating Machine Co. 
          Amsterdam, Holland
         | 
       
      
        |   | 
        Mechanism 
         | 
          | 
        oscillating
            rack | 
       
      
        |   | 
        Capacity 
         | 
          | 
        15 | 
       
      
        |   | 
        Years
                  produced 
         | 
          | 
          | 
       
      
        |   | 
        Price
                  when new 
         | 
          | 
        $685
            in 1968 | 
       
      
        |   | 
        Size
                  (W x D x H) 
         | 
          | 
        in. 
cm. | 
       
      
        |   | 
        Weight 
         | 
          | 
        lb.
          oz. (kg) | 
       
      
        |   | 
        Features 
         | 
          | 
        high
            speed multiplication 
            back transfer | 
       
      
        |   | 
        click
              on photo to enlarge | 
          | 
          | 
       
      
        |   | 
          | 
          | 
          | 
          | 
       
      
        
          
          
            | This
                machine is mechanically almost identical to the Monroe Mach 1.07.
                From Alex Knight. (Lange) | 
           
          | 
          | 
          | 
       
      |