James Jacob Ritty saloonkeeper

Bar (establishment)

A bar is a business establishment that serves alcoholic drinks — beer, wine, liquor, and cocktails — for consumption on the premises.Bars provide stools or chairs that are placed at tables or counters for their patrons. Some bars have entertainment on a stage, such as a live band, comedians, go-go...

 and inventor, opened his first saloon in Dayton, Ohio

Dayton, Ohio

Dayton is the 6th largest city in the U.S. state of Ohio and the county seat of Montgomery County, the fifth most populous county in the state. The population was 141,527 at the 2010 census. The Dayton Metropolitan Statistical Area had a population of 841,502 in the 2010 census...

 in 1879, billing himself as a "Dealer in Pure Whiskies, Fine Wines, and Cigars." Some of Ritty's employees would take the customers' money and pocket it, rather than depositing the cash that was meant to pay for the food, drink, and other wares. In 1878 while on a steamboat trip to Europe, Ritty became intrigued by a mechanism that counted how many times the ship's propeller went around.