Drift Sight, Mk II-B Pelorus, WWII US Navy Aircraft NOS Short Stirling The black screen behind the

The black screen behind the horizon has a bit of corrosion centrally

This one was made specifically for aircraft of the US Navy

but remains in decent condition

25 inches deep

General Electric part number 8DJ4PWE

Drift Sight, Mk II-B Pelorus, WWII US Navy Aircraft NOS Short Stirling The black screen behind theHere is an early WWII era US Navy aircraft Mk II B Pelorus Drift Sight. A Pelorus Drift Sight is designed to function either as a Pelorus, for taking bearings on objects, or for improving dead reckoning aircraft navigation by measuring the angle between the heading and the track of an airplane. It consists of a small 'telescope' viewing vertically towards the ground, angled toward the direction of the aircraft. When viewing the ground through the