Thanks very much for your answers. The Trio is in fact this one. I wonder whether C.Weiss was a relative of S.L.Weiss and whether they worked in Copenhagen, or why is the manuscript in possession of the Royal Library.
Donatella http://web.tiscali.it/awebd Tiscali ADSL 4 Mega Flat Naviga senza limiti a 19,95 euro al mese con 4 Megabps di velocità e 2 MESI GRATIS. In più, se sei raggiunto dalla rete Tiscali, telefoni senza pagare il canone Telecom. Scopri subito come risparmiare! http://abbonati.tiscali.it/prodotti/adsl/tc/4flat/ To get on or off this list see list information at http://www.cs.dartmouth.edu/~wbc/lute-admin/index.html