superintendent of the works, developed and patented a cannon in 1855; these were turned out in quantity at Safe Harbor Rolling Mill." The old Safe Harbor rolling mill as it appeared about 1905 after it had been converted to an air compressor station and machine shop for the construction company that built the

The Effort to Build a State Penitentiary at Lancaster A Bit of Local History Recently the Lancaster County Historical Society purchased at a public sale several documents for a modest sum. One of the documents was a "memori- al" sent to the Pennsylvania legislature by the Commissioners of Lancaster

Pennsylvania Hall of Fame evoked a small storm of protest. Numerous telephone calls and letters— many anonymous—to this speaker is sufficient evidence to demonstrate the effect Stevens had on the history of our nation. Though dead for 106 years, the "Old Commoner" continues to inflame men and create

84/3, 1981 131 An Unusual Discovery Prisoner-of-War Barracks in Lancaster Used During the Revolutionary War By Albert G. Overton and J. W.W. Loose Although historians have known for a long time barracks to house British and Hessian prisoners-of-war during the American Revolution were located at the

nineteenth century the iron industry of Lancaster County represented the area's largest single employer of capital; and second only to flour, the county's major manufacturing entity in terms of value of production. The old cold blast charcoal furnaces, with their enormous demands for charcoal, deforested

let the New England Yankee mechanics claim �Benedict's stove, patented in 1830, was an improvement on the old ten-plate stove then in common use. Efficiency of fuel consumption was Benedict's aim, and tests revealed the stove produced the same amount of heat from less than one ton of coal than the old