Original British WWII RAF Mark IV Tail Drift Sight in Original Case British Documents & Books Calypso spotted five ships and

Calypso spotted five ships and a frigate heading to Lorient

manufacturing was moved to Bridgeport

They served the same function for the German army that the Jeep did for the Americans

deteriorates with age so here is your chance to refurbish many models in your helmet collection

Original British WWII RAF Mark IV Tail Drift Sight in Original Case British Documents & Books Calypso spotted five ships andOriginal Item: Only One Available. This is a World War Two dated 1940 Tail Drift Sight that was used in British and Canadian fighter bombers to keep on course and adjust for the drift of the aircraft while in flight. Base plate reads: Tail Drift Sight, Mark IV, No. 1264 40, Made in England by Ottawa & Toronto Instruments Ltd. Sight body of periscope reads: No. 1264 40. This is a complete set that includes the optical periscope, base plate, two