Workshop Next Event PPWG Workshop - The Miniature Overshot of Bertha Gray Hayes - 10/11/2023 - 10/12/2023 - 9:00 am - 4:00 pm See All Description Upcoming Events PPWG Workshop - The Miniature Overshot of Bertha Gray Hayes - 10/11/2023 - 10/12/2023 - 9:00 am - 4:00 pm