Text ( visual ) : unmediated Engineering victory : how technology won the Civil War / Thomas F. Army, Jr. -- Johns Hopkins pbk. ed. -- : pbk. -- Baltimore : Johns Hopkins University Press , 2018, c2016. -- xiv, 369 p. : ill., maps ; 23 cm. -- (John Hopkins studies in the history of technology). -- Includes index. -- ISBN 9781421425160 ; (BB31534995) ; https://ci.nii.ac.jp/ncid/BB31534995 Author Heading(s): Army, Thomas F., Jr.. -- Classification(s): LCC : E468.9 ; DC23 : 973.7/3. -- Subject Heading(s): LCSH : United States -- History -- Civil War, 1861-1865 -- Engineering and construction ; LCSH : United States -- History -- Civil War, 1861-1865 -- Campaigns