
A couple of years ago, when I had Saturday Duty in the Reading Room, a group of early-19th-century letters came across the desk. I noticed right away that one of them had unusual diagonal fold lines:
Folger Y.d.23 (82x), a note from A. Bunn to R.W. Elliston, opened out to show the entire quarter-sheet of writing paper.
It was a slow Saturday, so I spent some time figuring out how the creases lined up with each other, then folding sheets of scrap paper to match.… Continue Reading