Vintage washboard from Real Silk Hosiery Mills Inc. of Indianapolis, Indiana, specifically designed for delicate silk hosiery. This primitive laundry tool features a corrugated metal scrubbing surface set into a rustic wooden frame with a canvas strap. The back of the board displays original printed instructions and a warning regarding the use of Ivory Soap flakes. A unique piece of advertising history, this small-scale washboard serves as a charming rustic decor item for a laundry room or a collector's piece of early 20th-century textile history.