The ""Manual of Admeasurement"" is a book written by Isaac Ridler Butts in 1865, which provides a comprehensive analysis of the United States Tonnage Law of 1864 and the methodology used for measuring ships and vessels. The book is a valuable resource for shipbuilders, shipowners, and anyone involved in the maritime industry, as it explains the legal requirements for measuring a vessel's tonnage, which is a critical factor in determining its carrying...