Polscy pionierzy podwodnej zeglugi

By Pertek, Jerzy
(Polish Underwater Pioneers)
1964, Wydawnictwo Morskie Gdynia
Paperback, 64 pages, some drawings
book is in Polish language

Descripton: Forgotten and sometimes ignored Polish pioneers of the submersibles: Hoffman, who had a hand Fulton’s Nautilus, Drzewiecki, who gave Russia their first realistic submersibles, and Zalinski of Dynamite Gun fame, who armed Holland’s boat.