Originally published in 1834, A New Treatise on the Practice of Navigation at Sea is a comprehensive guide to navigation that covers everything from theoretical principles to practical techniques. With clear explanations and numerous illustrations, William Thoms provides valuable insights into the art and science of navigation. This updated edition includes additional material on modern navigation practices and technologies. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.