Color print advertisement for Hercules CMC-CT, unpurified cellulose gum manufactured and sold by Hercules Powder Company for use in detergent products. The advertisement features line drawings of three figures handling laundered shirts. The accompanying text describes the use of Hercules CMC-CT "either as a size or a washing aid." Here, a "size" refers to a solution applied to textiles to create soil resistance, add body to the fabric and facilitate ironing. This advertisement appeared in Soap & Sanitary Chemicals and 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.