Electromechanical calculating machines from the 1960's
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Friden 1217
Lagomarsino Totalia S4GT
Marchant 416-S
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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

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Wanted

  
Walther Diwa 32        
 
Manufacturer
   Walther-Büromaschinen G.m.b.H.
Niederstotzingen, Germany
 
Mechanism
   oscillating rack
 
Capacity
   12
 
Years produced
    
 
Price when new
   DM 1690 ($463) in 1970
 
Size (W x D x H)
   in.
cm.
 
Weight
   lb. oz. (kg)
 
Features
    
  click on photo to enlarge    
         
A latecomer to the printing calculator market, introduced in 1970. Echoes of the ambitious Walther 640 of the early 60’s. A true memory, last printed value automatically transferred to the keyboard, but no shortcut multiplication. Other Walther adding machines were sold in the USA under the Comptograph brand name, but the Diwa 32 was not one of them. Won iF design award in 1972. The Walther company still exists as a firearms manufacturer. (Anthes, Lange)