The product is a set of Navy training courses focused on blueprint reading and layout work. These courses are designed to provide individuals with the skills and knowledge needed to accurately read and interpret technical diagrams and layouts, specifically in the context of maritime operations. This training is essential for those in the maritime industry, as it helps ensure the accurate construction and maintenance of vessels and equipment. The courses are likely to cover topics such as reading and interpreting blueprints, understanding technical specifications, and developing layout and drafting skills. Corners have slight bins and some wear to binding. But for a 81 year old book it’s not too bad.