"That, my boy," he says, "is an unforseen quality of the machines. For some reason they closed themselves up. In a way I'm glad they did. I was unable to get back in and I was forced to concentrate on my sample. If it hadn't been for that, I doubt that I would ever had cracked the code." So I asked him what about all this—what were the machines and who left them there and what for? All this while I was cutting away at that rock facing. And, man! I never seen rock like that. If it was rock, which, now, I doubt. It come off in flakes, in front of my torch. My torch, that'll cut anything. Do you know that in those nine hours I only got through about seven and a half inches of that stuff? And my torch'll walk into laminated bank vaults like the door was open. When I asked him he shut up for a long time, but I guess he wanted to talk. He sure was enthusiastic. And besides, he figured I was too dumb to savvy what he was talking about. As I said before, he was right there. So he run off about it, and this is about how it went— "Who left these machines here or how they operate, we may never know. It would be interesting to find out, but the important thing is to get the records and decode them all." It had taken him awhile to recognize that machine as a recorder. The tipoff was that it was running and the other one, the transmitter, was not. He thought at first that maybe the transmitter was busted, but after a year or two of examining the machines without touching them he began to realize that there was a gear-train waiting by the tape where it fed through the gismo that crimped it. This gear train was fixed to start the transmitter, see? But it was keyed to a certain crimp in the tape. In other words, when something happened somewhere on earth that was just the right thing, the crimper would record it and the transmitter would get keyed off. Sykes studied that set-up for years before he figured the particular squiggle in that wire that would start that transmitter to sending. Where was it sending to? Why? Sure, he thought about that. But that didn't matter to him. What was supposed to happen when the tape ran out? Who or what would come and look at it when it was all done? You know, he didn't care. He just wanted to read that tape, is all. Seems there's a lot of guys write history books and stuff. And he wanted to call them liars.