A study of image quality evaluation; final report,

"Contract no. AF 30(602)-3206."

Image interpretation handbook.

"This publication supersedes TM30-245, NAVWEPS 10-35-610 and AFM 200-50 dated April 1954."

Sarah Gertrude Banks , photographic copy print handcolored January 1905 by a friend of the doctor

2 scans made - 1 using as is scanner settings (looks most like original) - one using the autocolor correct setting on the scanner (no fiddling by operator!). Original appearance - hs#.1of2, autocolor = hs#.2of2

Henry Tappan standing in photographic studio, pasted on autographed page, ca. 1862

2 scans - 1of2 shows full page with Tappan's autograph at 800 dpi, 2of2 = image alone at 2400 dpi