Simple Adders

Addiator

 

 

Exactus Mini-Add

 

Exactus Mini-Add

 

Lightning Dial Adder

Lightning Dial Adder

 

Sterling “Dial-A-Matic

Sterling Dial Adder

 

Solo Adder

 

Bowler Countess

 

Peter Pan Tinplate Toy Adding Machine

 

 

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