"Just short of ten thousand units," I replied. "I can look up the exact figures in half a moment." A unit would take care of a thousand men, at normal dispersion. He knew the figure as well as I did, and I knew he was stalling.
We had shifted almost imperceptibly from research to manufacture, entirely on Manning's initiative and authority. Manning had never made a specific report to the Department about it, unless he had done so orally to the Chief of Staff.
"Never mind," he answered to my suggestion, then added, "Did you see those horses?"
"Yes," I said briefly.
I did not want to talk about it. I like horses. We had requisitioned six broken-down old nags, ready for the bone yard, and had used them experimentally. We knew now what the dust would do. After they had died, any part of their carcasses would register on a photographic plate and tissue from the apices of their lungs and from the bronchia glowed with a light of its own.
Manning stood at the window, staring out at the dreary Maryland winter for a minute or two before replying, "John, I wish that radioactivity had never been discovered. Do you realize what that devilish stuff amounts to?"
"Well," I said, "it's a weapon, about like poison gas — maybe more efficient."
"Rats!" he said, and for a moment I thought he was annoyed with me personally. "That's about like comparing a sixteen-inch gun with a bow and arrow. We've got here the first weapon the world has ever seen against which there is no defense, none whatsoever. It's death itself, C.O.D.
"Have you seen Ridpath's report?" he went on.
I had not. Ridpath had taken to delivering his reports by hand to Manning personally.