Drift Sights, Mk II-B Pelorus, and Mk IIC with Recording Base UH-1 descriptions

descriptions

Liquidometer part number EA101-19 as illustrated on in the US Army Air Force's Flight Manual

25 inches diameter and 3 inches deep

Mint condition gauge

It is in exceptional cosmetic condition for its age

Drift Sights, Mk II-B Pelorus, and Mk IIC with Recording Base UH-1 descriptionsHere are two types of aircraft 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 scope while in flight,