Obvious errors of punctuation and diacritics repaired.
Both "defense" and "defence" are used and have not been changed.
Both "guncotton" and "gun-cottom" are used and have not been changed.
Hyphen added: hand[-]wheels (p. 8).
Hyphen removed: War[-]ships (p. 2).
P. viii: 8-inch Non-disappearnig -> 8-inch Non-disappearing.
P. 2: first or second-slass gunners -> first or second-class gunners.
P. 7: verticle angle -> vertical angle.
P. 31: Tetlautograph detail -> Telautograph detail.
P. 35: singals "Ready" or "Misfire," -> signals "Ready" or "Misfire,".