Fred H. Colvin Books

The New American Machinist's Handbook

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Running an Engine Lathe

By Fred Herbert Colvin

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Standard and Emergency Shop Methods

By Fred Herbert Colvin, Frank A. Stanley

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Sixty Years With Men and Machines

By F. Colvin

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Manufacture Of The Model 1903 Springfield Service Rifle

By Fred H. Colvin, Fred Colvin, Ethan Viall, Fred Colvin; Ethan Viall

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332 p., 70 columns, p. 28-42 : 28 cm Contains reprints of Colvin and Viall's United States rifles and machine guns, 1917; G.P.O.'s 1916 Instructions to bidders ... model 1903; and two reprints fro...

Gear Cutting Practice Methods of Producing Gears for Commercial Use

By Fred Herbert Colvin, Frank A. Stanley

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Metal Lathes

By Fred Herbert Colvin

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Metal Lathes How to Run Them

By Fred Herbert Colvin

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The Working of Steel

By Colvin Fred H Juthe K A

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.