On May 31, 2011, at 3:12 AM, David Ritchie wrote: > > On May 30, 2011, at 4:11 PM, David Ritchie wrote: >> >> and Pratt is not a name you run across regularly, > As I returned to sleep I thought, "airplanes." Francis Pratt, born Peru, New York. Designed a milling machine for the Lincoln Company of Hartford, Connecticut. With Amos Whitney made gun-making machines and sewing machines for the Union army. From there it was, of course, a small step to the Space Shuttle's engines. Roo Pratt was unknown to me. http://www.smh.com.au/afl/afl-news/roo-pratt-fractures-thumb-20110531-1feoq.html David Ritchie, done with Pratts in Portland, Oregon