[P. 3]: Canst thou bring forth Mazzaroth—"Canst" is assumed in blank space.
[P. 25]: brighter object than the nearby star Aldebaran—"star" is assumed in blank space.
[P. 122]: Illustration originally stated "See note page 126". That statement was removed, and the actual note from page 126 was moved to its place with the illustration.
[P. 174]: [...]—duplicate of later line "occurred at L'Aigle, France, in 1803. Between two" appeared at this spot. Possible missing text where the line occurred.
Data in tables retained as in original, but may be incorrect—for example, the [escape velocity of Mars], represented as 1.5 miles per second in Table I, is closer to 3.1.