Charles I. Coombs Books

Gold and other precious metals
Gold and other precious metals

By Charles Ira Coombs, Herbert S. Zim

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Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's gu...

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Ultralights
Ultralights

By Charles I. Coombs

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Auto Racing
Auto Racing

By Charles I. Coombs

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Project Apollo
Project Apollo

By Charles I. Coombs

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Passage to Space
Passage to Space

By Charles I. Coombs

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Be a Winner in Tennis
Be a Winner in Tennis

By Charles I. Coombs

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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.

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