""Notes on Seacoast Defense"" is a historical book written by John Gross Barnard in 1861. The book delves into the topic of seacoast fortification, the fifteen-inch gun, and casemate embrasures. It provides a comprehensive guide on how to defend the coastlines of countries from potential attacks by enemy forces. The author, who was a military engineer, draws from his extensive experience and knowledge to provide practical advice on the construction...