Color print advertisement for Hercules CMC-CT, unpurified cellulose gum manufactured and sold by Hercules Powder Company for use in detergent products. The advertisement shows a uniformed woman arranging linens on a bed. The accompanying text describes the use of Hercules CMC-CT for linen sizing "in hospitals, hotels and other institutions." Here, "sizing" refers to a solution applied to textiles to create soil resistance, add body to the fabric and facilitate ironing. This advertisement appeared in Laundry Age.

Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified its business to encompass a variety of industrial products, including pine and paper chemicals, synthetics, pigments, polymers, and cellulose.