Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 174,149 pages of information and 250,321 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Harlem River Lift Bridge

From Graces Guide

This is one of the bridges constituting the Robert F. Kennedy Bridge, formerly called the Triborough Bridge.

The operating machinery was described in some detail in Engineering 1936/12/04.


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