Found this at a yard sale but I have no idea what it is.

The history of laundry offers a fascinating glimpse into human ingenuity and the evolution of daily life. In the past, washing clothes was a labor-intensive task. People often washed garments by hauling them to rivers and beating them against rocks to remove dirt and stains. This process was long and physically demanding, involving multiple steps such as boiling water, scrubbing, rinsing, wringing, and drying.
Over time, technological innovations helped simplify this routine. One such innovation, now largely forgotten, played a crucial role in reducing the effort required. This device streamlined laundry by easing some of the most strenuous tasks, saving countless hours for individuals of that era.
Today, we take for granted the convenience of washing machines that complete the process in less than an hour. While modern
technology has transformed laundry into a quick and easy chore, it’s important to recognize the significant progress we’ve made from these early tools and appreciate the historical innovations that paved the way for our current practices.