Angri, a town of South Italy, 17 miles NW. of Salerno, with cotton and silk spinning, and 7110 inhabitants.
Ångström, ANDERS JONAS, a Swedish natural philosopher, was born 13th August 1814, and in 1833 entered the university of Upsala, where he became a privat-docent (1839), keeper of the observatory (1843), and professor of physics (1858). From 1867 till his death, 21st June 1874, he acted as secretary to the Royal Society of Sciences at Upsala. His works embrace the subjects of heat, magnetism, and especially optics. His Recherches sur le Spectre solaire (Berlin, 1869) was an important supplement to Kirchhoff's great work on the Solar Spectrum. Other works were Sur les Spectres des Gaz simples (1871) and Mémoire sur la Température de la Terre (1871).