 What was surprising to Jerome about the papers that were retrieved with the generator?
Yes, it'll be pretty obvious it must be a time machine. You'll be puzzling over what I'll tell you, and you'll be getting used to the idea that you are the man who makes atomic power practical. "Maybe it's no dimension—or it might be the fifth; if you're going to skip over the so-called fourth without traveling along it, you'd need a fifth. I figured out once that such a universe would need some seven or eight time and space dimensions. That means you either carry a small time field with you, or you are catching a small increment of time from the main field. Some of them can be decoded to stationery shops, fountains, and the like.
 They were all in his own handwriting.
 They were all in his own handwriting.  They were copies of what he already had at home.  They were exact duplicates for what the futuristic Jerome had brought when he visited.  They were forged.