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History of the Atlantic Cable & Undersea Communications
from the first submarine cable of 1850 to the worldwide fiber optic network

CS Joseph Henry (1)
by Bill Glover


Built in 1909 by the Newport News SB & DD Co.

Length 142 ft Breadth 32 ft depth 11.8 ft Gross tonnage 601

In addition to a cable tank a large horizontal drum was fitted on the forecastle. Two small bow sheaves were fitted. Used for harbour defence work on the Atlantic and Gulf of Mexico coasts.

Sold to the Greek Government in 1947 and renamed Thalis O. Milissios and used for cable maintenance. Withdrawn from service in 1991 and converted into a Museum for the Greek Merchant Navy. The ship is still preserved at the Aegean Maritime Museum [accessed June 2023].

Cableships Index Page

Last revised: 25 June, 2023

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The Atlantic Cable website is non-commercial, and its mission is to make available on line as much information as possible.

You can help - if you have cable material, old or new, please contact me. Cable samples, instruments, documents, brochures, souvenir books, photographs, family stories, all are valuable to researchers and historians.

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