Thursday, October 12, 2023

Comptometer

 The Comptometer was the first commercially successful key-driven mechanical calculator, patented in the United States by Dorr Felt in 1887. 


 

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Solastalgia

  Solastalgia ( / ˌ s ɒ l ə ˈ s t æ l dʒ ə / ) is a neologism , formed by the combination of the Latin words sōlācium (solace or comfort)...