The Newmanry History

55B Page 364

(i) A cut-out switch for each of the five impulses.

(ii) Set total for extensions such that Dragon does not stop unless there is

(iii) Switch for use when setting tapes back, such that the recorded setting

Reset tape, Reset tape and wheels, reset X2, Mu, limitation, single step,

Always contracts a repeated letter.

A much larger machine; can deal with a 16 letter crib, or with two or three

This is a "compatibility" gadget for attachment to Dragon [see 28B (d) ).

Proteus anagrams depths [ 28A(d)(ii)]

The given depth V is known to be the sum of two plain texts P(a) + P(b) .

Then of course P(1) + P(2) + v = /.


What Proteus does is to add P(1), P(2), V in all positions looking for a

(i) P(1) The crib has a length of seven or fewer letters and is set up by

(ii) P(2) The dictionary is on a tape running on a Colossus bedstead, with

| previous page | next page | index page |