Medcroft drew another close up and seated himself.
"Brock," he said, lowering his voice and leaning forward impressively, "I want you to go to Vienna in my place." Brock stared hard.

"You are a godsend, old man.

You're just in time to do me the greatest of favours.
It's utterly impossible for me to go to Vienna as I had planned, and yet it is equally unwise for me to give up the project.

You see, I've just got to be in London and Vienna at the same time." "It will require something more than a stretch of the imagination to do that, old man.

But I'm game, and my plans are such that they can be changed readily to oblige a friend.