1770-1823.
Vallance arrived in Philadelphia from Glasgow Scotland early in 1791. He quickly established his reputation as one of the best engravers in the city. During this period he developed a friendship with James Thackara. In 1791 Vallance married Elizabeth Trenchard, a niece of Thackara's wife Hannah. A partnership with Thackara was established. He engraved banknotes and documents. In addition he was one of the founders, in 1774, of the Association of Artists in America. His wife Elizabeth died in 1798 at the age of 28. Four years later he married again to Margaret Pratt.
Washington Map Society.
1547-1625.
Cartographer and historian, d. Groningen.
Bland arbeten.
Frisia Orientalis, 1590-(5).
Maps of Groningen & Friesland 1616 used Hondius, Blaeu &c.
Tooley.
Kartograf som 1875 tog fram en tematisk karta där han jämförde befolkningen i Europa.
Karta öfver Stockholm. - 1904.
Lomma, Capsella bursa pastoris - Lindman, C. A. M, Bilder ur Nordens Flora 1917-26.
