Describes and illustrate summarily the line of production of each of the three best-known art glass firms in Murano, Italy: Venini (founded 1929), Toso Vetri d'Arte (1980) and Salir (1929). The bold project of a glass bridge to replace the present wooden one <i>(Accademia)</i> is indicated as one of the future trends in the glass industry. -- AATA