SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Electric carillon. This device is a set of bells tuned to ring different notes, operated by a keyboard. Here, the apparatus uses electric wires to transmit signals from the keys to the bells. The carillon originated in the Low Countries in the 14th century, and the largest carillons (found in churches) are among the largest of musical instruments. This smaller electric version was a US invention. Artwork from the seventh volume (first period of 1891) of the French popular science weekly 'La Science Illustree'.
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