The Theatermuseum is a federal museum of national theatre history. Since 1991 it is situated in the Palais Lobkowitz in Vienna. one of the largest and most important collections in the theatrical field is established in the Theatermuseum. At the Theater Museum highlights of the magic of stage are caught forever. More than 1,000 stage models, 600 costumes and props from three centuries, more than 100,000 drawings and prints as well as more than 700,000 theater photos are among the holdings of the museum. A special room is devoted to the Jugendstil artist Richard Teschner (1879–1948), showing his elaborate stick puppets and his marvelous Figurenspiegel (concave mirror with light effects). In total the museum comprises more than 2,000,000 separate objects. The library contains about 100,000 books and periodicals, and unlike the rest of the collections is technically still the property of the National Library, on permanent loan to the Theatre Museum.