English: Eugene Viollet-le-Duc, design for a Concert Hall, dated 1864. Expressing Gothic structural principles in stone, brick and cast iron. Published in Entretiens sur l'Architecture
2005-04-02 18:49 Wetman 450×693×8 (90556 bytes) {{PD-art}} Eugene Viollet-le-Duc, design for a Concert Hall, dated 1864. Expressing Gothic structural principles in stone, brick and cast iron. Published in ''Entretiens sur l'Architecture''
{{Information |Description={{en|Eugene Viollet-le-Duc, design for a Concert Hall, dated 1864. Expressing Gothic structural principles in stone, brick and cast iron. Published in ''Entretiens sur l'Architecture''}} |Source=Transferred from [http://en.wikip