Jefferson cylinder: 36 discs, each with different ordered alphabet (1790s)


cipher wheel (15th century)


CSP-488 wheel cipher


M-209 or CSP-1500


Wheatstone disc (1826s)


Captain Midnight decoder


St.-Cyr slide


scytale (5 BC)


enigma circuit


Vigenere Tableau


playfair
Plaintext: TI ME IS OF TH EX ES SE NC EX
Ciphertext: QH NH PQ UR YD PZ PU UP GE PZ

ABABA--A, an ABABE--Abandon-ing-s ABABI-- Abandoned ABABO--Abate-ing-s ABABU--Abated ABACI--Ability ... One Part Code VANOL--A, an ABABA--It is hoped LANEX--Abandon-ing-s ABBCO--Shipped STUGH--Abandoned ACDZR--Terminated RIZLB-- Abated .... ... Two-part code Codebooks