This is an image of a letter on a paper in a book. The ink of the letter and the overlapping fibers of the paper can be seen. The book was found 5/30/19 at 12:20 PM in the Lloyd library. The sample was obtained by opening to a random page in the book and putting it under the foldscope. #caltechbi1
Sign in to commentNobody has commented yet... Share your thoughts with the author and start the discussion!