themselves had attacked the Delawares in order to gain access to trading stations at the head of Delaware Bay. Later in the century, the Susquehannocks in turn were attacked by the Seneca, motivated in part, at least, by their desire for a better trade outlet. The second point concerns Captain Cock's

of Lancaster and "Arthur Armstrong, Pennsylvania Portrait Painter, A Rediscovered Lancaster Artist," which ran from July 14 to September 3, 1979 at the William Penn Memorial Museum. Catalog listings were published for both exhibitions. The locations of these additional Armstrong paintings are strong

economically. A patent was granted to him by the patent office at Washington on 19 December 1833, for "a new and useful improvement in the manufacture of iron and steel by the application of anthracite coal."" Three Lancaster County anthracite furnaces—Shawnee (1844), Chikis- walungo (1845), and Henry Clay

The Anthracite Iron Industry of Lancaster County: Rolling Mills 1850-1900 By John Ward Willson Loose I. General Desciption Although rolling mills had been used early in the nineteenth century for reducing the thickness of bar iron produced at the forges, rolling mills as a separate industry were

other early writers. A deed for the sale of lots in the James Hamilton tract, in the Borough of Lancaster, in 1734 states; "The purchaser . . . should make, erect, build, and furnish on each and every lot, at their own cost and charge, a suf- ficient dwelling house of the dimensions of sixteen feet