| Description | Responding to the 'Daily News' leader on submarine, expressing astonishment that the main consideration in such vessels was not mentioned, to bring food to Britain safely in time of war. He considers the problems involved, and ther potential for vessels travelling just awash,. He describes his own experiments of thirty years ago, and the need for horizontal fins, or wings, such as whales have. He also outlines the attacking potential of such vessel using a towable and dirigible mine against surface vessels. |