Mike can literally scroll through every line of the blueprints by viewing Boeing microfilms on a gigantic 3M viewer. "We have it digitized now, too," he says. "But that was a lot of work, too, just scanning all this stuff, because there's over, well, we had 50,000 drawings on microfilm. We've gotten some more since we bought this. They have two sets, an early and a late version. I got the late first, and then we bought the early stuff that has the short tail and stuff on them, just to have all the stuff. There's no end to it. But we still use the microfilm. Sometimes there's something unreadable in the print. That's why we got the big machine.