The Vintage Pratt & Whitney aeronautical vest pocket handbook is a unique piece of aviation collectible history. This small handbook, designed to be carried in a vest pocket, contains essential aeronautical information related to Pratt & Whitney engines. It also includes notes made by pilots, adding a personal touch to the documentation. This item would be a great addition to any aviation enthusiast's collection, offering a glimpse into the past and providing a tangible link to the history of aviation technology.
This booklet was definitely used. There is where on the cover front and back. Please see photos for details. Booklet is complete.