Aka Rock Furnace
The mill was built in 1770 as a rifle factory by Andreas (Andrew) and Veronica Kauffman. Jacob Kauffman was the owner from 1780 to 1788. According to the tax records, Christian Musselman became the next owner in 1789. Musselman converted the rifle factory to a grist mill in 1794. Christian was the owner in 1815 when the tax assessment described the mill as a grist mill of stone, 2.5 stories high, and 30×50 feet in size.
Christian’s son, David Musselman, became the next owner. David sold the property to John Lintner and Christian Hershey in 1833. Ten years later the property was sold to John M. Bear. In 1846, John Schlott became the next owner. After John’s death, his heirs sold the mill to John Stoneroad in 1851. John Stoneroad operated the mill for 47 years. John’s son Henry S. Stoneroad and his wife Amanda assumed ownership in 1898. The mill had two grinding burrs at first and later a third set of stones was added.
|Structure||2.5 Story Stone|
|Water Source||Little Conestoga|
|Dam Height||2 feet|
|Capacity||10 bbl / day|
After Henry’s death, the mill was offered for sale at public auction. Ben Mann purchased the property on May 26, 1941. Ben turned the mill over to his son, George S. Mann who began to renovate the property. In 1947, George Mann offered the mill to the Lancaster County Art Association to use as their headquarters. The Association turned the upper floor of the mill into an art studio. The held oil painting classes in the mill on Monday and Tuesday nights. The mill became a popular subject for oil paintings. After the LCAA moved their headquarters into downtown Lancaster in 1950, the Mann’s continued to make the mill property available for community groups. The Lancaster Cotillion Club, a social ballroom dancing club, held their annual picnic at the mill. The Lancaster County National Bank held corn roasts for their employees on the grounds. The Lancaster Country Day School and the LGH Auxiliary held events at the mill.
In 1972, that infamous nemesis of bridges, Hurricane Agnes, flooded the mill and destroyed the historic covered bridge that was next to the mill. The bridge was replaced with an open steel bridge with a wooden floor. In 1976, Brian Langsett purchased the mill from Arthur Mann and converted the mill into his family home. Langsett planned to use the waterpower to generate electricity for the residence. The current owners purchased the property in March of the year 2000.
The mill is located at 1560 Stone Mill Road.