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TI spirit of 76Model: Spirit of 76
Battery: 9 volt
Adapter: 
Year: 1972
Chip: TMC0952
Info:

 

 

 

 


 

SR 10 EUModel: SR-10 Italy
Battery: 3  x AA ni-cd
Adapter: AC9900
Year: 1973
Chip: TMS0120  
Info: TIP line -  classic first GENERATION  the logo is inside the display 

 

 

 

 


 

SR 0010 KEYS BLUModel: SR 10 Italy
Battery: 3  x AA ni-cd
Adapter: AC9900
Year: 1973
Chip: TMS0120  
Info: This Calculator has 4 upper keys BLUE prototype or Fake ?

 

 

 


SR 10Model: SR-10 vers. 2
Battery: 3  x AA ni-cd
Adapter: AC9900
Year: 1973
Chip: TMS0120
Manual: with permission www.datamath.org
Info: TIP line -  classic first GENERATION  

 

 

 

 


 

SR 11Model: SR-11 
Battery: 3  x AA ni-cd
Adapter: AC9900
Year: 1974
Chip: TMS0602
Manual: with permission www.datamath.org
Info: TIP line -  classic first GENERATION