An elementary course of military engineering ... By D. H. Mahan ...
Publisher: Scholarly Publishing Office, University of Michigan Library
Published: December 20, 2005
Language: eng
Format: Paperback
Number of pages: 196
ISBN-13: 9781425516161
Subjects: History / United States / General
First sentence: 1. THE term permanent fortification is applied to those defences which, constructed of materials of a durable nature, and designed for permanent occupancy by troops, receive such a degree of strength that an enemy will be forced to the operations either of a siege or a blockade, to gain possession of them.