Description The Joseph M. Pettit diary and interview transcript includes photocopies of Pettit's combined diary and research notebook compiled during his tour of duty during World War II, along with a transcript of an interview carried out by Alfred Price for his History of U.S. Electronic Warfare. Pettit's diary and interview provide details on his activities during World War II working with radar detection devices, particularly the monitoring of enemy radar and the training of personnel in the...