L'estro armonico National Library of Wales in Aberystwyth. The 1797 Encyclopædia Britannica records that the fifth concerto was also played on an Irish variant of Benjamin Franklin's celebrated invention, the glass harmonica. Under the entry for "Harmonica" or "Armonica", a 35-glass harmonica is described, about which its inventor, the Dublin physician Edward Cullen, writes: There were numerous arrangements for keyboard instruments in the eighteenth century, as described in the next section. One surviving eighteenth century transcription of Op.3, No.3 has been interpreted as an arrangement for glockenspiel. Themes from movements in the concertos were borrowed by other composers for vocal works: the
Glass harmonica fingers dipped in water" ("hydro-" for "water", "daktul-" for "finger", "psych-" for "soul"). The "Oxford Companion to Music" mentions that this word is "the longest section of the Greek language ever attached to any musical instrument, for a reader of "The Times" wrote to that paper in 1932 to say that in his youth he heard a performance of the instrument where it was called a "hydrodaktulopsychicharmonica"." The Museum of Music in Paris displays a hydrodaktulopsychicharmonica. Because its sounding portion is made of glass, the glass harmonica is a type of crystallophone. The phenomenon of rubbing a wet finger around