Add the image of the Ames shadowgraph

http://archive.org/stream/thisnewoceanhist00swen#page/60/mode/1up
Add the schlieren photographs

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-001938.html

This isn't in the same order as in the book, but saves some trouble
with 4 individual images.

See http://archive.org/stream/thisnewoceanhist00swen#page/62/mode/1up
Add the image of Eggers with the Atmospheric Entry Simulator

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-001586.html