from his excellency, the Commander-in-chief, a general court-martial was held at Lancaster, in Pennsylvania, when Henry Mansin (who confessed himself an officer in the British army) and Wendal Myer, an inhabitant of the county, were brought before the court and charged with being spies, carrying on a

structure evolved from a prehistoric form containing the essential core and crucible.' The transition from the mid-fifteenth century European blast furnace to the early nineteenth century charcoal furnace of Pennsylvania was gradual. Technological changes occurred chiefly in the shape and size of the