The Precision Build of the Model A Ford; Carl Johansson's Jo Blocks

Henry Ford's empire demanded that any given part built at any other factory could interchange without issue. He turned to Carl Johansson and his gauges to ensure that production tolerances were uniform worldwide. Johansson revolutionized the way things were measured to such an exacting degree that he was the standard of the world when it came to dimensions for almost a century. Find out how Henry Ford brought Johansson into the Ford Motor Company to ensure the security of accuracy.

A Model A is dedicated to the history of the Model A Ford using historical images and videos as well as modern resources.

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Film Sources;
Library of Congress Ford Motion Pictures Archives
Benson Ford Research Center

Research Sources
The People's Tycoon; Henry Ford and the American Century by Steven Watts
Ford; Expansion and Challenges: 1915-1933 by Nevins and Hill
Ford: Decline and Rebirth: 1933-1962 by Nevins and Hill
Henry's Lieutenant's by Ford Bryan

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