Double mattress if possible.

London.
For a matter of ten minutes Thomson was busy with his pencil and the code-book.

When he had finished, he studied thoughtfully the message which he had transcribed:-- Plans for attack on La Guir communicated.

Attack foiled.

Believe Smith in London.
"Anything important, sir ?" the young man at the typewriter asked.
Thomson nodded but made no immediate reply.