Transcriber’s Notes:
The format of the chapter titles has been regularised.
Obvious printing mistakes have been corrected.
Variations in spelling remain as in the original unless noted below.
- Page 86, “with” changed to “With” (“With this system in general”).
- Page 125, “encouragment” changed to “encouragement.”
- Page 135, “skilful” changed do “skillful.”
- Popular Hand-books, page 8, “nteresting” changed to “interesting.”
- Popular Hand-books, page 10, “german” changed to “German.”