Seven occurrences of "etc." have been changed to "&c." on pages 29 (twice), 41, 56 (three times), and 68.

Page 7, "Puffing" changed to "Ruffing" (Ruffing or napping)
Page 7, "Printer's" changed to "Printers'" (Printers' sheets)
Page 10, added "of" (dissemination as correct, of that which)
Page 15, "then" changed to "than" (more readily than)
Page 16, added "of" (counting the number of these)
Page 19, "broad-cloth" changed to "broadcloth" (the broadcloth of which)
Page 23, "Britian" changed to "Britain" (Great Britain, or)
Page 29, "too" changed to "two" (nipped between two revolving)
Page 29, "rolls" changed to "rollers" (and the rollers placed)
Page 32, "waterproof" changed to "water-proof" (light, and water-proof)
Page 33, "waterproofing" changed to "water-proofing" (and water-proofing)
Page 40, "overlaping" changed to "overlapping" (together by overlapping)
Page 43, "shorly" changed to "shortly" (will shortly be described)
Page 44, "clothlike" changed to "cloth-like" (smooth and cloth-like)
Page 45, "waterproofing" changed to "water-proofing" (of water-proofing)
Page 49, "singing" changed to "singeing" (as the singeing of)
Page 53, "ves el" changed to "vessel" (another vessel containing)
Page 61, "waterproofing" changed to "water-proofing" (water-proofing of)