Reprinted by Popular Demand: Rock Tunnel Methods
- Part of 1937 Hercules Advertisements
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.
|Creator of work|
|Rights||Public Domain Mark 1.0|
|View in library catalog|
Hercules Incorporated. “Reprinted by Popular Demand: Rock Tunnel Methods.” 1937 Hercules Advertisements, 1937. Records of Hercules Incorporated, Volume 1937. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/j6731459s.
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