inconsistent spelling of Palliser, Palisser

This only occurs twice in the book, so both are left in.

pyroxyle sometimes with xile

‘yle’ ending was accepted by undisputed “majority rule”

aluminum and aluminium

The former accepted.

maybe 18000 instead of 17000 yards/sec?
30th degree of lunar latitude instead of 13th?
there seems to be an inconsistency in the title for book 2

Numbers, units, dates, times and math errors have NOT been changed.

Typographic conventions in the book:
The book uses ligatures for ff fi fl ffi ffl; I have simply spelled these out.
Chapter N is in italics.
The chapter titles are in small caps.
The first word of each chapter has an oversize capital, and the rest of the word is in small caps. If the first word is two letters or less, the second word is also in small caps.
AM and PM are always in small caps, as A.M. or P.M.

All these have been changed to PG standards.