In the post face to the book on Transport Phenomena by Bird, Stewart
and Lightfoot (page 712, I suppose) there is a message
(hidden, of course!) which you have to crack. Those enthusiastic can
find a hint in the journal Ind. Engg. Chem 1996 (last few issues)
which carries an article on this book's 50th year by
John Slattery and Julio Ottino. Have a go!
Click here for answer.
