Publisher's Synopsis
This collection of technical papers from the US Lighthouse Board provides a fascinating glimpse into the design and construction of navigational aids in the late 19th century. It includes detailed analyses of the merits of different lighting systems, as well as discussions of other topics related to navigation, such as buoy placement and sound signals. The book is an important historical record of the development of maritime navigation.
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.
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