Invention of D. V. Hotchkiss, hydraulic propeller fitted inside instead of outside hull, action being dependent upon projection of stream of water through aperture in hull.
Newly invented hydraulic propeller for ships plying in shallow waters
Nautical Gaz
Nautical Gazette ; 103 , n 21 ; p 648-649
1922
2 pages
1 Fig.
Article (Journal)
English
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