 Complete the following phrase:  An imitation carillon using recordings of bells, rather than live bells was installed in the Space Needle, and played several times a day during the Worlds Fair. The instrument, built by the Schulmerich Bells Company of Hatfield, Pennsylvania under the name Carillon Americana, recreated the sounds of 538 bells and was the largest in the world, until eclipsed by a 732 bell instrument at the 