P S Dingey

P S Dingey is the author of books such as Machinery Pattern Making.

Books by P S Dingey

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Machinery Pattern Making

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Machinery Pattern Making Containing Full Size Profiles Of Gear Teeth

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Machinery Pattern Making, Containing Full Size Profiles Of Gear Teeth and Fine Engravings On Full-Page Plates, Illustrating Manner Of Constructing Numerous and Important Patterns and Core Boxes