Inconsistencies in italic usage was retained. For example, on page 98, "R" is referenced originally without italics in an equation and after on the same page is italicized when mentioned.
Page 17, "principle" changed to "principal" (principal ones being)
Page 77, "16'" changed to "16"" (about 16" long, 9" deep)
Page 94, "xxiv" changed to "xxiiiA" (see Fig. 5, Pl. xxiiiA) and also on the same page at (Pl. xxiiiA., Fig. 2 and 6)
Page 114, "Northerners'" changed to "Northerners'" (most of the Northerners' vessels)
Page 132, "torpedos" changed to "torpedoes" (Whitehead's fish torpedoes have)
Page 134, "14" changed to "140" (140 atmospheres)
Page 162, equal sign added to equation ((314 × 200) / 196 = 320 lbs)
Page 168, "THORNICROFT'S" changed "THORNYCROFT'S" on Plate XLVII.
Page 170, "THORNICROFT'S" changed "THORNYCROFT'S" on Plate XLVIII.