Check the listing for details. Original WWII Type G-1 True Airspeed Computer Bomber Fighter Transport B25 48. Condition: New. Listed at 24.99 USD. Genuine WWII Type G-1 Computer.Sealed in original Packaging.Own a rare part of WWII Aviation History, while supporting Delaware Aviation Museum..all proceeds from sale go to Delaware Aviation Museum in Georgetown Del. Go to web site for more info. on the museum and B-25 Rides all sales proceeds go to support Delaware Aviation Museum Foundation in Georgetown Delaware. The Delaware Aviation Museum Foundation (D.A.M.F.) is dedicated to promoting and preserving the history of aviation, focusing on aviation in Delaware and the Delaware Coastal Airport. The museum maintains a display of classic, vintage and military aircraft and aviation artifacts as well as an extensive reference library. The D.A.M.F. promotes tourism to Sussex County by hosting events at the airport and museum, providing an educational venue for students and the community.