In which decade was the first commercial cash register invented, leading to the formation of the National Cash Register Company (NCR)?

Before modern point-of-sale systems, retail transactions were transformed by a mechanical innovation that changed how stores operated and prevented employee theft. This poll explores a pivotal moment in retail history that established one of America's most recognizable early technology companies and fundamentally changed how businesses tracked sales.

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1850s, during the growth of department stores
1870s, following several cases of employee theft in saloons
1890s, alongside the emergence of early supermarkets
1910s, as a response to the standardization of American currency