TheCodeBreakers
serious jam on the Navy's one PURPLE machine, and about 6 p.m. GY
again called on S.I.S. for help. Parts 9 and 10 were sent over; an hour
later, the decrypts came back in longhand. By 7:30, the last of the 13
parts was being decrypted.
Not all the garbles had been scrubbed out. Part 3 had a 75-letter
smudge that could not be read at all, Part 10 a 45-letter blur, and Part
11 one of 50 letters. Part 13 went awry in two patches. One deciphered
as andnd and the other as chtualylokmmtt; GY thought the first should be
and as and the second China, can but.5
In the Japanese embassy, about a mile away, the code clerks had
completed deciphering the first seven or eight parts of the message by
dinnertime. Then they all repaired to the Mayflower Hotel for a farewell
dinner for Hidenari Terasaki, head of Japanese espionage for the western
hemisphere, who had been ordered to another post.
While they were enjoying themselves, American code clerks at the