This product is a vintage RPM speed tester by Smiths Industries, specifically designed for aircraft use. Made in the United Kingdom, this original tachometer speed indicator comes in its original box, making it a rare find for collectors of aeronautica memorabilia. The advertising type for this item is related to transportation, and it is not a reproduction or modified version of any other product. This unique piece would make a valuable addition to any collection of aviation memorabilia.
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