General view of an unidentified female employee operating an automatic precision-assembly station used during the manufacture of detonators and initiators at the Hercules Powder Company plant in Port Ewen, New York. The…

General view of an unidentified employee operating a Beckman (Berkeley Division) Time Interval Meter at the Hercules Powder Company plant in Port Ewen, New York. Time Interval Meters were commonly used for a range of…

General view of unidentified female employees testing electric detonators manufactured at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement with DuPont, the…

General view of an unidentified employee setting a tray of shells into an apparatus used during the production of blasting caps at Hercules Powder Company plant in Port Ewen, New York. The apparatus is likely a press…

General view of employees at work assembling Vibrocaps manufactured at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder…

General view of employee Raymond Demskie preparing explosive powder to be mixed on a rubber mat at the Hercules Powder Company plant in Port Ewen, New York. Mixing was performed remotely as an employee operated a series…

General view of employee Kenneth Newell operating a press machine used to fill electric blasting caps with an explosive charge at the Hercules Powder Company plant in Port Ewen, New York. The operation was…

General view of employee Raymond Demskie operating a series of levers to remotely mix explosive powders used in the electric blasting caps produced at the Hercules Powder Company plant in Port Ewen, New York. The levers…

General view of a display featuring dummy samples of a range of detonation-initiating devices manufactured at the Hercules Powder Company plant in Port Ewen, New York. Products visible on the display board include…

General view of employee Elizabeth Bailey applying shunts to spooled Vibrocaps manufactured at the Hercules Powder Company plant in Port Ewen, New York.

Formed in 1912 as part of an anti-trust settlement with DuPont,…

General view of employee Walter Carney working in the storage area for coiled wires with attached ignition plugs, a component of the electric blasting caps manufactured at the Hercules Powder Company plant in Port Ewen,…

General view of employee Andrew Tubby setting up an apparatus used for destructive testing of electric blasting caps manufactured at the Hercules Powder Company plant in Port Ewen, New York. Formed in 1912 as part of an…

General view of employees Thomas Stauble (left, foreground) and Andrew Tubby (right, foreground) using assorted machinery to test the destructive range and effectiveness of detonators and initiators manufactured at the…

General view of employee Anna Woods testing special electric detonators manufactured at the Hercules Powder Company plant in Port Ewen, New York.

Formed in 1912 as part of an anti-trust settlement with DuPont, the…

General view of an unidentified employee operating a machine used to produce shell cartridges used in the manufacture of dynamite at the Hercules Powder Company plant in Kenvil, New Jersey. Formed in 1912 as part of an…

General view of an unidentified female employee operating a machine used to sort time cards at the Hercules Powder Company plant in Kenvil, New Jersey. Per an article in the August 1919 edition of the Hercules Mixer,…

General view of employees posed before the exterior of a building at the Hercules Powder Company's smokeless-powder plant located In Kenvil, New Jersey. Established in 1872 by the Atlantic Giant Powder Company, the…

General view of the exterior of the experimental research station at the Hercules Powder Company's smokeless-powder plant located In Kenvil, New Jersey. Formed in 1912 as part of an anti-trust settlement with DuPont,…