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THE SHADE OF J. BALLANTINE HANNAY                      225
But things have quieted down a good deal since; shares are back up and business is booming. Of course, we're tremen­dously curious about whether—and how soon—General Elec­tric will be able to produce industrials on a commercial basis. Mind you, we knew they were trying to do it. We've kept our eye on this kind of experiment for years, wherever it was going on in the world. A whole lot of people have tried to make dia­monds, ever since J. Ballantine Hannay started the whole thing off in 1880—and, come to think of it, there must have been people trying to do it for hundreds of years before that. Did you know about Hannay?"
One of the other men said, "To tell you the truth, I've had him on my mind for weeks now."
"So have I," said Mr. White. He turned to me and con­tinued: "Hannay was a Scottish chemist who claimed to have succeeded in an experiment he'd been working at all his life. He said he had made diamonds, and he sent a number of them to prove it, to be examined and tested by a leading authority of that day in London. Well, the specimens were diamonds all right. They were tiny specks of things you need a microscope to see with, but they were, and are, diamonds. You can go and look at them if you want to when you get back to England: they're in the British Museum of Natural History in South Kensington. Hannay said he'd manufactured them with in­tense heat under tremendous pressure. As I remember, he used an iron tube, a kind of bomb, and he put in powdered carbon and bone oil and various other ingredients."
"Eye of newt and toe of frog," murmured the man who had spoken before.
"Something like that," said Mr. White. "Hannay showed his