Publisher
The Goodheart-Willcox Company, Inc.
Tinley Park, Illinois
www.g-w.com
eometric
Dimensioning
and Tolerancing
G
Based on ASME Y14.5-2009
Ninth Edition
by
David A. Madsen
President, Madsen Designs Inc.
www.madsendesigns.com
Faculty Emeritus
Former Department Chairperson
Drafting Technology
Autodesk Premier Training Center
Clackamas Community College, Oregon City, Oregon
Autodesk Learning Member
Director Emeritus, American Design Drafting Association
David P. Madsen
President, Engineering Drafting & Design, Inc.
Vice President, Madsen Designs Inc.
Computer-Aided Design and Drafting Consultant and Educator
Autodesk Developer Network Member
SolidWorks Research Associate
American Design Drafting Association Member
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