Which groundbreaking invention is credited as the first mechanical Point of Sale (POS) system that revolutionized retail in the late 19th century?

Point of Sale (POS) systems revolutionized retail by streamlining transactions and inventory management. From humble beginnings to sophisticated digital platforms, these systems represent one of the most impactful technological inventions in commerce history. Test your knowledge about the invention that changed how we shop forever!

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Ritty's Incorruptible Cashier (1879) - a mechanical register invented by James Ritty to prevent employee theft at his saloon
Edison's Electrical Tabulator (1881) - Thomas Edison's electrical counting machine designed for department stores
Burroughs Adding Machine (1885) - William Seward Burroughs' calculator adapted for retail transactions
Watson's Mechanical Ledger (1890) - John Henry Watson's automated system for tracking sales and inventory