Duluth Transporter Bridge
From Graces Guide
in Duluth Harbour, Minnesota
Also known as Duluth Aerial Ferry Bridge. It was the only transporter bridge in the USA. It was converted to a lifting bridge in 1929.
See Also
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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 167,710 pages of information and 247,104 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.