This unit does not tell how much energy the air conditioner or furnace consumes in a season. To know how much energy air conditioner unit consumes, you need to know ac seer rating (for cooling). Iâll explain how much energy the air conditioner units produce and what does 15000 Btu air conditioner unit means.
Both the Vietnam and Korean War's M1 helmets were virtually identical. There are some differences between the World War II M1 helmets and the Vietnam and Korean wars' M1 helmets. The M1 helmets from the World War II era had a steel stripe that was rolled around the outer edges of the helmet.he M1 helmets during the Vietnam and Korean War eras had what was called a steel pot as the shell and they were a little taller. Most of them had some kind of helmet cover on them.
The first one is a late WW2 production steel helmet and the second is a Vietnam War era helmet. 1944, US M1 Steel Helmet & 1950's era Liner. This steel helmet is an actual WW2 issued helmet that was manufactured between October of 1943 and October of 1944.This steel helmet has the characteristic front seam on the helmet rim.his steel helmet is an actual WW2 issued helmet that was manufactured between October of 1943 and October of 1944. This steel helmet has the characteristic front seam on the helmet rim.