Date: | c. 1851 |
Material: | Wood plank, metal pins and hardware |
Company: | Alexandre Debain |
Location: | Paris, France |
For a player piano. The plank format allowed the next song to be loaded while the previous song was playing. Long compositions could also be split between two or more planks. The metal linear gear or rack along one side of the plank would engage with a pinion gear in the piano to advance the plank.