In the early twentieth century, Rippley Manufacturing Company of Grafton, Illinois, was selling a whitewash & painting machine, a 24-gauge galvanized steel drum fitted with a ball valve brass cylinder pump, a hose and a spray nozzle.
The company provided recipes and specific instructions for operating the machine and applying various washes.
Images above: Upper: "Rippley's Whitewash & Painting Machine." Sanitary and Heating Age (1 March 1902): p. 35 available via Google Books.
Lower: "Rippley's Three Whitewash Recipes, and Directions for Applying Washes and Operating Whitewash Machines." (Grafton, IL: Rippley Mfg. Co., n.d.). Trade Catalogs Collection, Southeastern Architectural Archive, Special Collections Division, Tulane University Libraries.