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(union bug) Buttons made by The Whitehead & Hoag Co., Newark, N.J., U.S.A Pat. April 14th, 1886, July 21, 1896.
Sunny Monday laundry soap was one of several soaps manufactured by N.K. Fairbank & Co. Originally established as Fairbank, Peck & Co. in 1864 by Nathaniel K. Fairbank and John Peck as the successor to Smedley, Peck & Co., a Chicago lard processor and soap maker, the company employed about 160 men, women, and children, and produced about $2 million worth of lard, soap, and cottonseed oil a year by 1870. In 1875, it was purchased by American Cotton Oil and was renamed N. K. Fairbank & Co. By 1890, the company had several sales branches and had become famous for its distinctive advertising, using catchy slogans like "Sunny Monday bubbles will wash away your troubles". The company also produced Fairy soap, known for its innovative ability to float in bathwater, and Gold Dust Washing Powder, an all-purposes cleaning agent that was recognizable for its trademark, the Gold Dust Twins, and slogan "Let the Gold Dust Twins do your work".