The piano in ensemble. The piano in real life.
Leather-covered hooks pluck the strings. Reference: Harp-Piano entry. http://books.google.com/books?id=Kr6TAgAAQBAJ&pg=PA163&lpg=PA163&dq=brussels+museum+keyboard+harp&source=bl&ots=GVNHXa8g6G&sig=9bNuiDI2TtZ4OVQynPmiWpLvew0&hl=en&sa=X&ei=5hFZU761JuqssATt4oGIBg&ved=0CEsQ6AEwBA#v=onepage&q=brussels%20museum%20keyboard%20harp&f=false
It is a keyboard harp, the strings were plucked and the sound were us a harp. The strings were covered with silk and was used until the end of the 800, the first 900.Italiano: Si tratta di una claviarpa le corde erano pizzicate da dita in ottone ed erano in metallo rivestite credo da seta, è stata uisata fino alla fine dell'800 primi 900.