Electromechanical calculating machines from the 1960's
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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

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Wanted

  
Lagomarsino Totalia S4GT        
 
Manufacturer
   Lagomarsino S.p.A.
Milan, Italy
 
Mechanism
   oscillating rack
 
Capacity
   15
 
Years produced
    
 
Price when new
   $545 in 1971
 
Size (W x D x H)
   in.
cm.
 
Weight
   lb. oz. (kg))
 
Features
   back transfer
  click on photo to enlarge    
         
This machine was not introduced until 1972, making it one of the last mechanical calculators developed. It is an evolution of the 8300 series of machines available in the 50’s and 60’s, and follows the S3-GT which was only a three-function machine. (Büromaschinen Lexikon)