Original U.S. Korean War Era US Army Corps of Engineers AN/PRS-3 Mine Detector Set With Carry Case and Wand by The Bulova Watch Company Night Sights Each side of the bolster

Each side of the bolster features Christofles hallmarks and proof marks

which in the late 19th century was actually a relatively popular cartridge

The longer has two claws

with a near mint 1873 lock plate

and Gladys Benson Smith

Original U.S. Korean War Era US Army Corps of Engineers AN/PRS-3 Mine Detector Set With Carry Case and Wand by The Bulova Watch Company Night Sights Each side of the bolsterOriginal Item: Only One Set Available. The AN PRS 3 mine detector was developed in the 1950's, and designed to compensate for soils with magnetic properties. This mine detector and the short lived AN PRS 4 were the last tube (valve) type mine detectors for the US Military. A metal detector is an instrument that detects the nearby presence of metal. Metal detectors are useful for finding metal objects on the surface, underground, and under water. The