TheCodeBreakers
particularly, that of H------'s Ship coming in Ballast
to fetch O------- to England which had been so de-cyphered by
them Two Months before the Government had the least Notice of
Halstead's having left England;
That a Supplement of this Cypher, having been found among
Dennis Kelly's Papers the latter End of July, agreed with the Key
they had formed of that Cypher the April before;
That the Decyphering of the Letters signed Jones lllington and
1378, being afterwards applied by them to others written in the
same Cypher, did immediately make pertinent Sense, and such as
had an evident Connexion and Coherence with the Parts of those
Letters that were out of Cypher, though the Words in Cypher were
repeated in different Paragraphs, and differently combined.
The two Decypherers appeared before the Lords on several occasions
to swear to their solutions. Attenbury twice