Papers On The Comparative Merits Of The Catoptric And Dioptric Or Catadioptric Systems Of Light-house Illumination: And Other Subjects Relating To Aid

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.

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