#TechHistory: The 1st gas turbine propeller-driven airplane flight was tested in Downey, CA today in 1945. on February 12, 2015February 12, 2015 By Michael – WWW.CCXL.US – #ISE2015 #ISE please share this:TweetPocketShare on TumblrTelegramWhatsAppMoreEmailLike this:Like Loading...
