Caldwell's screw tug design

Bibliographic Details

Main Author:	Caldwell, Allan (Author)
Other Authors:	Wood, Jeffrey Norman (Editor)
Format:	Book
Language:	English
Published:	London, Hutchinson, 1969.
Edition:	2nd ed.
Series:	Hutchinson library of ships and shipping
Subjects:	Tugboats. Remorqueurs. tugboats.