- Margaret Cranmer
- and Kari Michelsen
Norwegian firm of piano makers and music publishers. The brothers Karl Hals (b Sörum, 27 April 1822; d Christiania [now Oslo], 7 Dec 1898) and Petter Hals (1823–71) set up as Brødrene Hals, piano makers, in Christiania in November 1847, having studied piano making abroad. They first made only oblique-strung upright pianos, but later changed to upright vertical and cross-strung instruments, better suited to the harsh Norwegian climate. They manufactured several thousand instruments and they also specialized in repair work. They received medals at exhibitions in ...