Square Piano by Kahl, J

This square piano was made by Johann Francis Kahl in Washington, D.C. around 1843-1844. Kahl was born in Diedenberg, Germany and came to Washington in 1840. This piano has a compass of FF-f4, an English double action, single-strings, first octave, double-strings for rest, pins at rear, an iron hitch-pin plate with numerous cut-outs, and a rosewood case

Credit: Smithsonian