Original U.S. Vietnam War Army Corps of Engineers AN/PRS-4 Mine Detector Set in Chest German Military Maps The serial number is 444499B

The serial number is 444499B denoting the year of manufacture as 1893

(My Honour is Loyalty

These were intended for use in troop training due to the shortage of rifles and bayonets during the First World War

The lower edge has had post-factory sharpening

under command of Major General Ryder

Original U.S. Vietnam War Army Corps of Engineers AN/PRS-4 Mine Detector Set in Chest German Military Maps The serial number is 444499BOriginal Item: Only One Set Available. Very good condition Vietnam War era U. S. Army Signal Corps mine detector set AN PRS 1 manufactured by the Emerson Radio & Phonograph Corporation. The AN PRS 4 was part of a series of improvements that were being made to better detect underground land mines. These were typically used by army engineers to clear paths for following units to travel through. According to the technical manual it is meant to detect