118 Washboard Laundry Photos and Premium High Res Pictures - Getty Images
Washboard (laundry) - Wikipedia
Only One Factory in the United States Still Makes Washboards, and They Are Flying Off of Shelves | Travel| Smithsonian Magazine
History of washboards, invention of zinc scrub boards & other rubbing boards
Did you figure out the invention? It's the washing machine!! "The washboard was invented in 1797. By the mid 1850s, steam-driven commercial washers were... | By Uintah County Heritage Museum | Facebook