Original vintage 1940 "Handbook for Drillers" (National Defense Edition, 22nd Edition), published by the Cleveland Twist Drill Company. Created for students and machinists in the U.S. National Defense Program just prior to WWII.Details:
* Title: Handbook for Drillers (National Defense Edition)
* Publisher: The Cleveland Twist Drill Company (Cleveland, Ohio)
* Publication Year: 1940 (Twenty-second Edition)
* Contents: Detailed information on drill geometry, speeds and feeds, breakage causes, machine drilling hints, and technical diagrams.Condition: Shows age wear, cover staining, and edge wear consistent with period shop use. Interior pages are intact and fully readable with a secure stapled binding.A fantastic piece of WWII-era industrial training history—ideal for collectors of machinist tools, vocational manuals, and industrial ephemera!Ships securely protected via USPS with tracking. Returns are accepted with buyer-paid shipping if the item fails to meet expectations. Feel free to reach out with any questions!

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