water outline engine ship boat lineart sail hydrofoil Sailing Ship clip art clip art sailing image Water Outline Engine Ship Boat Lineart Sail Hydrofoil
retrieved from http://commons.wikimedia.org/wiki/File:Hydrofoil_%28PSF%29.png boat hydrofoil drawing Hydrofoil
an illustration from Physics for Entertainment by Yakov Isidorovich Perelman from archive.org hydrofoil transportation vehicle Hydrofoil
retrieved from http://commons.wikimedia.org/wiki/File:Hydrofoil_%28PSF%29.png boat drawing hydrofoil Hydrofoil