In 1948 Bendix introduced the "Balanced Spin," but in 1949, they called those 2 models, the G310 without the detergent dispenser and the G315 with the dispenser, the Gyromatic. The model with the detergent hopper and the measurable dosing, today known as "auto dispense" was only on the books for one year, 71 years ago.[this post was last edited: 7/26/2020-15:43]