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.
1764-1825.
Surveyor. In 1794, engineer attached to the General Survey office.
[Sveriges sjökartor – A. Hedin]
1862-1948. Född i Bergen, död i Oslo.
Norsk officer. Började studera 1882, blev officer 1889 och kapten i 'Bergenske Brigade' 1897. 1916 tog han avsked. Under åren 1895-99 var han mättekniker vid 'Norges Geografiska Oppmåling'. Till Norges jubileumsutställning 1914 utförde han ett par stora reliefkartor. Han var även målare och bildhuggare och deltog i flera utställningar och tävlingar. Under en tid ledde han Bergens konstförening.
Karta öfver Stockholm. - 1904.
Carte De la Coste et Pays voisins des Rivieres de Sierra Leona et de Sherbro. - J. N. Bellin ca 1750.
