Lammot du Pont's description of the surveying and construction of the Lower Yard, located on the Brandywine Hundred side of the Brandywine below the Hagley Yard. Included are survey maps of the yard, an estimate of construction costs, and a map of...
Wooden fence and gate reading 'No Admittance,' with eight men standing under the gate. There is disagreement about whether this is an image of the lower yard gate. Typed caption: "This is not Lower yard as there is no railroad going into the yard...
Typed caption: "Hist. #8 Du Pont Company Hagley Powder Yard at foot of hill below Christ Church, Wilmington, Delaware. At left is the old machine shop. The building opposite with the dark-colored steps was used as the powder foreman's office. ...
Boston Navy Yard War Service awarded to Lieutenant Adolph A. Gathemann, U.S.N.; Text from image: Certificate of Registry, Register No. 27, Merit Roll, Boston Navy Yard, War Service, The name of Lieut. Adolph A. Gathemann, U.S.N. is hearby placed on...
List of employees who worked in the Hagley Yard at DuPont's Brandywine Works from 1814 to 1852. Includes employee names and their starting and ending dates at the yard.
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.
Lammot du Pont's tabulation of the energy expended in producing soda powder at Hagley Yard. His calculations are based on the distances that raw materials and powder in various stages of completion moved throughout the yard.
List of men who worked in the Hagley Yard at the DuPont Company's Brandywine gunpowder works. Includes their names and job titles. Compiled by Irenee du Pont (E. I. du Pont II, 1829-1877), who ran the Hagley Yard during the mid-19th century.
Written caption from original Macklem album: "Scene inside of No. 10 gate. Scene when entering Hagley Yard at the blacksmith shop gate. The road through this gate enters Hagley Yard at the machine shop and millwright's shop door and is practially...
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."
View of destroyed rolling mill with figures at left: Mr. and Mrs. Francis Gurney du Pont. Written caption: "Lower yard rolling mills (wheel mills) exploded 10:15 pm., Friday, July 5, 1889. Photograph taken July 6, 1889."
