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Repairing Hagley Yard dam near graining mill
Correspondence, Thomas Davy to E. I. du Pont de Nemours and Company, 1825-03-01
Correspondence, E. I. du Pont de Nemours to Francis Breuil, 1805
View from Soda House at Carney's Point
Correspondence, Thomas Davy to E. I. du Pont de Nemours and Company, 1822-04-05
Blacksmith shop gate, Hagley Yard
Upper Yard, valving and shafting, showing blocks
Interior of boiler house, likely at Carney's Point
DuPont Short History
Steam plant, erecting stack, Hagley Yard
Pressure/Stroke study showing normal combustion/detonation
Lower Hagley dam, building coffer dam
Dryer explosion
Erecting steam plant in Hagley Yard
Looking upstream at Upper Yard
Engine used in study
Hagley powder yard, old keg bed near blacksmith shop, Lutton's team
Unidentified equipment
Employees near press house in Hagley Yard
Pressure study: normal combustion and detonation time study
The gunpowder industry
Unidentified equipment, detail

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