Atbash is a simple substitution cipher in Hebrew. It consists of substituting aleph (the first letter) for tav (the last), beth (the second) for shin (one before last), and so on, reversing the alphabet. A couple of words in the Book of Jeremiah, Leb Kamai and Sheshakh, are atbash for Kasdim (Chaldeans) and Babel respectively, probably written thus.
... 24 channel, with so few viewers. Their response was to promote the channel through their ordinary channels BBC1 and BBC2, using terrestrial signals, and this is seen by some ...