Check the listing for details. VINTAGE COVEL OPTICAL COMPARATOR OPERATING AND PARTS MANUAL. Condition: Used. Listed at 9.95 USD. Discover the essentials of metal cutting with the VINTAGE COVEL COMPARATOR OPERATING AND PARTS MANUAL. This comprehensive manual offers detailed information and illustrations that will guide you through the operation and maintenance of your COVEL COMPARATOR with ease. Whether you're a seasoned professional or a curious enthusiast, this manual serves as an invaluable resource for understanding the intricacies of your equipment. Crafted in the United States, the manual is a testament to the quality and precision of COVEL COMPARATOR. With its clear instructions and diagrams, it's an essential tool for anyone involved in metalworking. The manual's rich content covers various aspects, making it a must-have for your technical library or workshop collection.