Rinso endorsed by Gainaday Washer makers in series No 1
Leading washing machine manufacturers endorse Rinso praising its pure ingredients and strong cleansing. The Gainaday Electric Washers makers claim Rinso dissolves in boiling water to form big suds, soaks clothes overnight for heavy dirt removal, and suits all machines sold by Lever Brothers Cambridge Mass. Sold in regular and large sizes at grocery and department stores.