Ritty brothers patent the first cash register (1879)

James and John Ritty, a saloonkeeper and a skilled mechanic in Dayton, Ohio, patented a cash register design on November 4, 1879. Motivated by suspected employee theft, James conceived the idea after observing a propeller counter on a steamship. The patent, titled 'Cash Register and Indicator,' described a mechanical device using levers, dials, and numbered disks to record transactions.

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Background and detail

Background. James Ritty, a saloonkeeper in Dayton, Ohio, suspected his employees of embezzling customer payments. In 1878, during a trip to Europe, he observed a mechanism counting ship propeller revolutions. This inspired him to consider a similar device for recording cash transactions at his saloon. Upon returning to Dayton, he collaborated with his brother John, a skilled mechanic, to develop a solution to prevent theft.

Patent Details. The Ritty brothers patented their design on November 4, 1879, as 'Cash Register and Indicator.' The patent itself contains the wording 'Improvement in cash register and indicator.' The machine featured an enclosed case with an index dial and indicator operated by levers or keys, connected to disks marked with numbers to display cash receipts.

Legacy and Scope. The sourced patent date is November 4, 1879, while the legacy row and event key carry November 1880; the 1880 date is treated as a placeholder pending scope reconciliation. Later developments, including the 'Incorruptible Cashier' and the formation of the National Cash Register Company, fall outside the declared scope of the initial patenting event.

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Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.