Oval Ten

The Oval Ten, manufactured by Stoner Manufacturing Company in February 1933, is an early example of a pure mechanical (non-electric) pinball machine, dating from just a couple of years after pinball's commercial debut. It was produced in both Junior and Senior models, and was marketed as part of the "Aristocrat" series exclusively through the Chicago Coin Machine Exchange (later renamed the Chicago Coin Machine Company).

Gameplay on the Oval Ten relies entirely on physical mechanisms rather than electricity, with players navigating the ball through a series of obstacles and into scoring holes — reflecting the simplicity typical of the earliest coin-operated pinball games. Its distinctive oval playing field gives the machine its name.

No notable artwork or theme has been documented for the Oval Ten, and little else is known about its design details. Even so, its early production date and pure-mechanical operation make it an interesting artifact for collectors and historians studying pinball's earliest years.