Persistent URL: http://ift.tt/1Lf2WPb Local call number: RC08587 Title: Machine shop section of the Pratt and Whitney Aircraft research and development center Date: June, 1959 Physical descrip: 1 photoprint – col. – 8 x 10 in. Series Title: Reference Collection Repository: State Library and Archives of Florida, 500 S. Bronough St., Read More →