Square Piano by Neilson, S

This square piano was made by Samuel Neilson in New York, New York around 1807-1815. He was listed at 19 Barclay Street, the address on the nameboard of the piano, during this time period. The only other known instrument by Samuel Neilson is a 6-octave square piano in he Kenneth G. Fiske Museum of Musical Instruments. This piano has a compass of FF-c4, an English double action, leather covered with felt hammers, double-strings throughout, with tuning pins on the right, 1 pedal: dampers, wood frame, and a mahogany (?) case 

Credit: Smithsonian