Manuscript transcription by Beethoven of Mozart’s Fantasia in F minor for mechanical organ, K. 608, relating to bars 55 and 171-207 (35 bars in all), a working study mss. with numerous abbreviations, deletions, revisions and corrections. 2 p., oblong quarto (233 x 320 mm), 12 staves, notated in dark brown ink on three 4-stave systems per page, the bar lines written in a lighter brown ink, later pencil manuscript annotation at head of recto (”Schluss aus Mozarts” “Stück für ein Orgelwerk in einer Uhr 3 März 1791 Nohl,” watermark of 3 crescent moons, no place or date [Vienna, ca. 1798-1799?].