Inventor of the calculator
            Source: 
                        Santa Cruz Sentinel 1884-11-16: page 1 column 5        
        
                        Date: 1884-11-16                    
        
            Type: 
                            NEWS; DOCUMENT            
            
            Coverage: 
                        1880s        
        Identifier: LN-33223
    Collection
Citation
“Inventor of the calculator.” Santa Cruz Sentinel 1884-11-16: page 1 column 5. 1884-11-16. SCPL Local History. https://history.santacruzpl.org/omeka/items/show/75820. Accessed 3 Nov. 2025.
    