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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 Portunus
by Bill Glover

CS PORTUNUS

Built in 1944 by Federal SB and DD co., Newark, New Jersey

Length 221.1 ft Breadth 34.5 ft Depth 10.5 ft Gross tonnage 743

Built as landing craft LSM 275. Converted for cable repair work in 1952. Sold to the Portuguese in 1959 who converted the ship for use as a diving tender and renamed it Medusa.


Cableships Index Page

Last revised: 11 September, 2011

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Research Material Needed

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.

If you have any cable-related items that you could photograph, copy, scan, loan, or sell, please email me: billb@ftldesign.com

—Bill Burns, publisher and webmaster: Atlantic-Cable.com