I Picture Puts Mill Erection At 1690 EATONTOWN, Aug. . 22 A picture found in the cellar of the old grist mill here, which is being dismantled, indicates that the structure was built in 1630. It is now in possession of Harry Diver, who renovated the house on the place some time ago. The frame of the structure Is being hauled to Red Bank, where it will be used for a bungalow by Prosecutor John J. Quinn, one of the owners of the Boro Busses corporation. Charles A. Richmond, who with his brother, Joseph, operated tho mill for 50 years, died last week.