Download or read book Memoir of John A. Dahlgren, Rear-admiral United States Navy written by Madeleine Vinton Dahlgren and published by . This book was released on 1882 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: Important discoveries made by the late Admiral Dahlgren later in his career ended in an entire reorganization of naval ordnance. These improvements, accompanied by the introduction of steam and corresponding differences in the construction of our men-of-war, essentially modified the navy life of the present day.