Who invented the first commercially successful mechanical cash register in 1879, which featured a bell that rang with each transaction to alert store owners when the drawer was opened?

The history of retail technology has transformed how we shop and pay. One invention in particular revolutionized the industry by combating employee theft and providing accurate sales records. This device, now ubiquitous in stores worldwide, has evolved from a mechanical marvel to sophisticated digital systems. Test your knowledge about this pivotal retail innovation that changed commerce forever!

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James Ritty, a saloon owner troubled by employee theft
John H. Patterson, founder of National Cash Register (NCR)
Frank Woolworth, pioneer of the five-and-dime store concept
Thomas Watson Sr., who later established IBM's retail division