The book "Harvey Marine Torpedo Device Control Instructions" by the author Frederick Harvey is a document that has preserved the results of long research and efforts aimed at the creation and optimization of marine torpedo devices. In this book, the author explains in detail the principles of operation of the torpedo, and also gives clear and understandable instructions for its use. Thanks to this book, the reader will get comprehensive knowledge about how to operate and how to control naval torpedoes, which play an important role in combat activities at sea. The book contains numerous illustrations, diagrams and explanations that will help the reader understand and master the necessary skills for effective torpedo control. Frederick Harvey's Instructions is a valuable document that will become an essential part of the library of anyone interested in naval technology and military history.