This vintage engine speed indicator from the United Kingdom is a must-have for aviation enthusiasts and collectors. It comes with no warranty and is a great addition to any aviation memorabilia or automotive collection. The instrument is in excellent condition and is a testament to the quality craftsmanship of its time. This piece is a rare find and a great opportunity to own a piece of aviation history. It would make a great display piece or a functional addition to any vintage aircraft restoration project. The type used in military aircraft of WWII.