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Folio 17, line 19, where it says "to separate," it should say "to scrape."
Chap. 13, line 9, page 1, where it says, "who was the first inventor of powder, & of it sent into use, & in what part of the world, was this infernal machine first," it should say: "Of powder & of it, & in what part of the world was this infernal machine first seen & sent into use."
In folio 27, page 2, Chap. 24, line 10, where it says, "corner," it should say, "cardboard."
In folio 34, Chap. 37, line 9, where it says, "from point C to point D," it should say, "from point D to point E."
In the same Chap., line 11, where it says "the perpendicular line H.F.D.B.," it should say "H.G.C."
In the same Chap., line 15, where it says "H.F.D.B.," it should say "H.G.C."
In folio 34, page 2, Chap. 38, line 4, where it says "H.F.D.B.," it should say "H.G.C."
In folio 39, page 1, Chap. 43, last line, where it says, "effect," it should say, "defect."
In folio 42, page 1, line 25, where it says, "piece," it should say, "however."
In folio 44, page 2, Chap. 52, line 14, where it says 9, it should say 6.
In folio 52, page 1, at the beginning of line 21, where it says, "more," it should say, "then."
In folio 55, page 2, line 50, where it says, "leeward," it should say, "windward."
In folio 62, page 2, Rubric of the Chap., where it says, 74, it should say, 84.
In folio 70, page 1, line 43, where it says, "O.H.M.," it should say, "O.N.M."
In folio 72, page 1, line 46, where it says, "pieces," it should say, "wells."
In the same folio, page 2, line 1, where it says, "used [feminine]," it should say, "used [masculine]."
In folio 74, page 2, Chap. 103, line 7, where it says, "bridge," it should say, "point."
In folio 89, page 2, Chap. 123, line 41, where it says, "For," it should say, "But if."
In folio 90, page 2, line 10, where it says, "timber," it should say, "binding."