] The revolving wheel cryptographic principle that
] underlies CSP-488 was invented by Leo Battista Alberti
] during the fifteenth century. Centuries later, Thomas
] Jefferson re-invented a "Wheel Cipher" that was
] practically identical in principle, then followed by
] Major Bazeries around 1901 and Colonel Parker Hitt in
] 1914. All independently conceived of a device employing
] the same principle.

I keep wondering if something like this is going to be the key to decrypting Kryptos ...

Cipher Device: CSP-488