Page 21: The phrase "if tine" matches the original text. Page 22: Changed "Landsburg" to "Landsberg." Page 23: Changed "plat-form" to "platform." Page 24: The measurement "0m .460" matches the original text. Page 26: Changed typo "is" to "it" and changed "bizantine" to "byzantine" for consistency. Page 32: Changed "clock-work" to "clockwork." Page 40: Changed typo "eigtheenth" to "eighteenth."