The Lyceum Theatre in Regency London

The Proscenium of the English Opera House (The Lyceum)
as it appeared on March 21 1817 with Walker's Exhibition, the 
Eidouranian from The Lyceum and Henry Irvine by A Brereton (1903)Profile

The Lyceum Theatre was built as an exhibition space which was later converted into a theatre. It did not have a patent for performances during the winter season, but from 1809 to 1812, the Drury Lane Theatre company performed at the Lyceum under their own licence whilst their theatre was being rebuilt....