Papal Conclave - Ballot to Select a New Pope

This image, of a folded Papal Conclave ballot, is the type of mechanism Cardinals once used to select a new pope.  This particular ballot is no longer used in the 21st century.

Credits

Illustration from How the Pope is Elected, by W. J. Wintle, published in the London Magazine (June, 1903).  Image online, courtesy Hidden Knowledge.