image/svg+xml
Lawrence V. Mott, The Development of the Rudder, A.D. 100-1600: A Technological Tale, Thesis May 1991, Texas A&M University (p. 83, Fig. 7.2)
Scheme of a pintle-and-gudgeon system of a Middle Age sternpost-rudder
01/2008
Eric Gaba (user:Sting) for Wikipedia
1
2
3
4
5