Original U.S. WWI Wooden Trench Periscope with Ordnance Dept. Inspection Stamp Caps & Hats or possibly pre-war

or possibly pre-war

six-cylinder supercharged diesel engines producing a total of 2

complete with a nice “puggaree” wrap and helmet plate from the BARBADOS POLICE

Or else they were substituted by using clothing that "looked right"

The high altitude helmets and relevant suits have been developed to protect the human body against the lack of pressure and extremes of temperature at high altitude

Original U.S. WWI Wooden Trench Periscope with Ordnance Dept. Inspection Stamp Caps & Hats or possibly pre-warOriginal Item: Only One Available. This is a very good condition U. S. WWI OD green painted wooden construction Trench Periscope, complete with its adjustable leg prop and metal belt hook. The battlefield is viewed by the use of two opposing glass mirrors, one top, one bottom, held in a wooden case held together by twisted wire. A fairly crude design but it got the job done, and was cheap. It still has the complete original U. S. Ordnance dept.