Rare and hard-to-find original 1970 edition of Synchro, Servo and Gyro Fundamentals, part of the Navy Training Course Manual series. This manual covers key electrical and mechanical concepts in Navy technology—an excellent addition for military collectors, vintage electronics enthusiasts, or engineers looking for historic reference material.

Condition: The cover shows moderate wear and rubbing with a few creases, particularly along the spine—typical for a manual of this age. Inside, the pages are clean with no writings, markings, or highlights. The binding is solid and intact. A well-preserved example of a historic technical training manual.

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