Why would he be able to see only the unfolded portion of the document?
Because in the folded parts, the words would be all on top of each other and difficult to make out. Take a sheet of transparent cellulose acetate and write some words on it, roll it up, then try to make out what the words say.
Because in the folded parts, the words would be all on top of each other and difficult to make out. Take a sheet of transparent cellulose acetate and write some words on it, roll it up, then try to make out what the words say.