Stormgren felt a little foolish. He should have thought of that.
“Well, what do you suggest?” he asked with some exasperation.
“I want to think it over. First of all we’ve got to find if my theory is correct, and if so learn something about the material of that screen. I’ll put a couple of my men on the job. By the way, I suppose you carry a brief-case when you visit the Supervisor? Is it the one you’ve got there?”
“Yes.”
“It should be big enough. We don’t want to attract attention by changing it for another, particularly if Karellen’s grown used to it.”
’What do you want me to do?” asked Stormgren. “Carry a concealed X-ray set?” The physicist grinned.
“I don’t know yet, but we’ll think of something. I’ll let you know what it is in a fortnight’s time.”
He gave a little laugh.
“Do you know what all this reminds me of?”
“Yes,” said Stormgren promptly, “the time you were building illegal radio sets during the German occupation.”