Gosport Tube Note: This item is currently in storage. A Gosport Tube was a voice tube used by flight instructors in the early days of military aviation to give instructions and directions to their students. It was invented by flying instructor Robert Raymond Smith-Barry at the School of Special Flying he opened at Gosport in 1917. Donated by Maj. John P. Wheelihan, USAFR (Ret.). Click here to return to the Featured Accessions index.