Calculations of the Mill Seat accounts; shows the total cost of the large dam as supported by the original owners of the Mill Seat. Further discusses water power value and suggests an annual rent of $1200 for use of the water power. The author...
This mill was the first paper mill in Chester County. Built by John Bicking and later run by his son, Samuel Bicking, the mill later changed to a textile mill known as Rockstone Woolen Mill under the operation of the Ellis family.
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."
A continuous hot strip mill in operation. The six stands are fed from a blooming mill out of the picture. Mill stands built by Mesta Machine Company, Pittsburgh, Pennsylvania.
Written on back: "This mill known as 500lb mill. Rolling mill where charcoal, brinstone (sulphur) nitrate or soda were mixed. Dam at top of the falls and a flume @ 545' carried water down to the turbine which drove the machinery for the mill. Flume...
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.
