Manufacturing Process of Dynamite including historic methods
Tunnel leads into one of the ten mound shaped buildings which form manufacturing area at DuPont's dynamite plant near Martinsburg, West Virginia. Concrete walls are twice as thick as foundation of well built home. Air conditioning is new feature of...
Manufacturing Process of Dynamite including historic methods
For safety in handling dynamite, wooden machinery and tools even to the shovel, must be used. Here an operator is filling a powder jitney with the explosives in the mix house at the Repauno, New Jersey plant of the DuPont Company.
Manufacturing Process of Dynamite including historic methods
Dynamite ingredients are carefully weighed and mixed for the powder lines in the dope house at the Repauno, New Jersey plant of the DuPont Company. Operator is dumping ammonium nitrate into a bin mounted on scales.
Manufacturing Process of Dynamite including historic methods
Dynamite is shoveled into the hopper of a gelatin cartridge machine which packs the explosive into a heavy paper tube, closes the tube ends, and ejects the finished cartridge at the Repauno, New Jersey plant of the DuPont Company.
Manufacturing Process of Dynamite including historic methods
The nitrating house where dynamite is processed at the Repauno, New Jersey plant of the DuPont Company resembles a fort. Overhead pipes carry steam from the powerhouse.
Manufacturing Process of Dynamite including historic methods
The nitroglycerin used in dynamite manufacture travels over long wooden walks on rubber tired buggies in passage from process to process at a DuPont Company dynamite plant.
Manufacturing Process of Dynamite including historic methods
Dynamite products starts at the acid area in the Repauno, New Jersey plant of the DuPont Company, where operator is shown hoeing finely ground sodium nitrate, an essential raw material, into the endless chain loader.
Manufacturing Process of Dynamite including historic methods
For safety in handling dynamite, wooden machinery and tools even to the shovel, must be used. Here an operator is filling a powder jitney with the explosives in the mix house at the Repauno, New Jersey plant of the DuPont Company.
Manufacturing Process of Dynamite including historic methods
Aluminum covered conveyors snake across landscape, adding another weird touch to the Explosives Departments dynamite plant near Martinsburg, West Virginia. By eliminating old style powder buggies, conveyors reduce handling and speed the manufacture.
Manufacturing Process of Dynamite including historic methods
Into one end of the modern DuPont dynamite plant flow nitric acid, glycerin and other basic ingredients of dynamite. Each of four key steps in manufacture is carried out in a different mound, connected by specially designed conveyors like the one...
Manufacturing Process of Dynamite including historic methods
This is an Atlas mixing machine, used in the manufacture of dynamite at Repauno about 1895. The box in the foreground contains inert ingredients which are placed in the trough. Nitroglycerin is added from the containers shown on the cart at the...
Manufacturing Process of Dynamite including historic methods
Boxes of dynamite roll into transfer shed at end of dynamite production line at DuPont's Potomac River Works, Martinsburg, West Virginia. Hydraulic motors on powder machinery, automatic feeding and packing of paper cartridges are but a few of the...
Manufacturing Process of Dynamite including historic methods
Nitroglycerin is made in nitrating house by mixing glycerin with nitric and sulfuric acids. This is most critical operation in explosives plant; equipment enables operator to drown an entire charge in water, if necessary.
