Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/2135 Resource class wmi:MusicalInstrument Title fortepiano Subject 314.122-8 Publisher R. J. Regier Broadwood Contributor Roger Vetter Date 1983 1804 Type European Format 95 in. length (first instrument) 47.5 in. width (first instrument) 90 in. length (second instrument) 43 in. wide (second instrument) Identifier 3343 586 Language EN Alternative Title pianoforte piano-forte Hammerklavier Extent 6.5 octave after Conrad Graf ca. 1824 5.5 octave 1804 Medium wood string - wire string - wire-wound wire metal Requires 1 or 2 Is Part Of Piano and String Chamber Ensembles Grinnell College Music Instrument Collection Spatial Coverage Europe Provenance Grinnell College Music Department String carrier design for chordophone zither - board Resonator design for chordophone box with wood soundboard String courses for chordophone double at unison triple at unison Vibrational length for chordophone pressure bridge to ridge-nut String tension control for chordophone friction pin Method of sounding for chordophone striking (indirect) Pitches per string course for chordophone one Category of Instrument chordophone --