Drift Sight, Tail, RAF Mk IV Kit Ref No 6B/110, 1939 Viscount This was a personal compilation

This was a personal compilation of a student or an instructor at the Amarillo Texas B-29 service school

and ~4 inches and 5 inches wide

75 inches diameter

Virtually the same aircraft

Drift Sight, Tail, RAF Mk IV Kit Ref No 6B/110, 1939 Viscount This was a personal compilationHere is a WWII era Tail Drift Sight, Mark IV Kit, as used in bomber and transport aircraft of the British Royal Air Force with navigator aircrew, such as the Avro Lancaster, and likely used in other bombers such as the Vickers Wellington and Short Stirling. This kit includes the optical periscope, a base plate, and the aluminum drift plate that screws onto the base plate, and wooden carry case with leather strap. Stamped on the label on the case of