Mr. Lincoln’s High-Tech War: How the North Used theTelegraph, Railroads, Surveillance Balloons, Ironclads, High-Powered Weapons,and More to Win the Civil War Thomas B. Allen & Rodger MacBride Long title and a bit of a misnomer because this book also deals with the use of technology by the Confederate States of America. Granted, the Confederacy was limited by its scarce industrial capability, but it focused what it had on its navy, including the first ironclad in combat and the first submarine. Both were effective when let out of the barn, but neither lasted much beyond their first engagement. That’s the way it goes with military innovation; failures often precede a workable design. Most people view the American Civil War as a series of bloody battles fought with muskets and cannons. It all looks so backward from a modern perspective. In truth, the American Civil War changed warfare dramatically through technological advances. Before the Civil War, Napoleon de...