Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,459 pages of information and 233,880 images on early companies, their products and the people who designed and built them.

James Millholland

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James Millholland (1812-1875) was a US railway engineer.

Credited with a number of important inventions, included the first box girder bridge (having girders comprising pairs of relatively deep side plates joined top and bottom by plate flanges), in April 1847. Description and drawing here.

However, unknown to Millholland, riveted wrought iron box girders were in use in the UK in 1840, on a road bridge designed by Andrew Thomson of Glasgow. The girders were relatively shallow (18" deep) and the box section was in the form of an isoceles trapezium.

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