Calliope, Steam Organ, Musical Instrument

Chromolithograph circus poster showing a calliope or steam organ. "Calliope! The Wonderful Operonicon or Steam Car of the Muses, as it appears in the gorgeous street pageant of the Great European Zoological Association! British Museum, Royal Coliseum, Gallery of Art, World's Congress and Gigantic Circus! 12 Tents! 900 Men and Horses! One Ticket Admits to All!"