Figure 1
Original Paper. Photocopy of the original.
Figure 2A
Enlarged microtext from an original document.
Figure 2B
Machine copy of the same document.
Figure 3
Portions of two pantograph prescription forms. Copy on the left, having a blank margin. The original is on the right. (Photo by the author.)
Figure 4
Three different elements: toner, offset printing, and pen ink. (Photo by the author.)