Page [66]: Transcriber added the comma in “and LR, LR the extreme red”.
Page [70]: Transcriber added italics to “makes orange”.
Page [126]: “on the 7th January, 1618” should be “1610”.
Page [306] referred to Newton’s telescope being shown in “fig. 1”, but it actually is in “[fig. 3]” and is referenced that way in this eBook.
Page [321]: The opening parenthesis before “viz. one of those that go round another” has no matching closing parenthesis. Transcriber added a closing parenthesis after “round another planet”, but that may not be where it belongs.