The Vintage Type 6911-383 Air Pressure Gauge ( 0 to 100 lbs sq in) by Manning Maxwell & Moore is a rare and original piece of militaria from the United States during World War II. This authentic artifact is a unique piece of history from the era, making it a valuable collectible for enthusiasts of military memorabilia. Its design and origin reflect the craftsmanship and technology of that time period, adding to its historical significance and appeal. Item measures 3” diameter, 3 1/4” diameter face. Item is missing one face bolt for mounting.