The rear gunner of the Martin bombers are also protected by Plexiglas enclosures which can be revolved mechanically to train multiple machine guns at planes attacking from the rear. Resembling the dome of an astronomical observatory the enclosure...
The thousands of labels used to identify DuPont products show the diversity of the goods the company makes. For the first century Du Pont was primarily a maker of explosives. The past 50 years have seen the company broaden its base to become the...
This guncotton plant DuPont built and operated at Hopewell, Virginia during WWI, was the largest of its kind in the world. It turned out more than one billion pounds of material and employed more than 28,000 people.
Built in 1922, the bridge has a large bronze marker containing a list of Delaware's dead in World War I (WWI). Original bridge was built in 1893 at a cost of $79,000. Opened area to Washington Heights and spurred growth there.
Built in 1922, the bridge has a large bronze marker containing a list of Delaware's dead in World War I (WWI). Original bridge was built in 1893 at a cost of $79,000. Opened area to Washington Heights and spurred growth there.
Photographer's caption: "Northern portion of the museum gives the visitor a capsule history of the First World War. Beyond the flaming 'Big Red 1' insignia is a time spiral with rotating scenes from the First World War, followed by animated diorama...
Photographer's caption: "Full-scale reproduction of WWI trench is among the realistic exhibits in the new Cantigny War Memorial Museum. Located in an expanded and remodeled building on the estate of the late Colonel Robert McCormick, editor and...