Correspondence regarding the destruction caused by the November 20, 1861 explosion in the powder yards (Press Room, Grain Mill, and Dust Mill in Upper Yard). Three people were killed including Joseph Russell, John Vichie, and Charles Mulherrin.
Written caption from Macklem album: "A pair of rolling mills or wheel mills in upper Hagley. The larger mill was originally used for other purposes, maybe a dust mill. The dust mills were superseded by the rolling mills. As it was necessary to...
Written on back: "This flume supplied the mills in the upper yard with water and was close to a mile long, being L shaped. Water supply came from a dam just below upper falls. It was along the hillside @ 90-100 feet above the mills."
Typed caption: "E.I. du Pont de Nemours & Co on the Brandywine, lower coal house, upper yard (where wood was charred into charcoal). There was another charring house on the Brandywine, known as the upper coal house, and about 1888-1889 a third coal...
News of an explosion a the mills, four mils in the Upper Yard exploded, three men killed, Charles' du Pont's house nearly destroyed, some of Louisa's children cut by glass, Meta. struck on head, they are staying at Eleuthera's, the worst blast...
Typed caption: "Upper Hagley works on the Brandywine were built in 1812. It was at this mill where Alexis I. du Pont, third son of E. I. du Pont de Nemours, was injured on Saturday afternoon, August 22, 1857 which resulted in his death the...
Written caption: "Upper yard from tram track, looking down creek. Press mill in background. Old dust mill now used for special slow fuse powder in foreground. Supports of glaze mill waterwheel in foreground, center race mill to the right."
Written caption: "Upper Yard tram track, looking down creek, press mill in background. Old dust mill now used for special Slow Fuse Powder in foreground. Supports of Glaze Mill water wheel in foreground, center race way to the right."
Typed caption: "Upper Hagley works on the Brandywine were built in 1812. It was at this mill where Alexis I. du Pont, third son of E.I. du Pont de Nemours, was injured on Saturday afternoon, August 22, 1857 which resulted in his death the following...
Typed caption on photo: "Side view of Birkenhead Wheel Mill, Upper Hagley, built in 1812. These mills are the oldest of their kind in the United States. They are part of the old powder yards of the DuPont Company along the Brandywine Creek near...
Pencili sketch showing position of gunner in Sperry airplane upper machine gun turret from behind, with the position of the gunner's hands visible through his body.
