Spelling and hyphenations were made consistent based on frequency of usage within text and common usage for that time period.

[Pg 20], excute -> execute

[Pg 57], cuttter -> cutter

[Pg 62], "Fig. 43, It may" -> "Fig. 43. It may"

[Pg 69], th -> the

[Pg 108], "a regenerally" -> "are generally"

[Pg 112], thorougly -> thoroughly

[Pg 121], "colors will will be found" -> "colors will be found"

[Pg 130], sandpaper -> sand-paper

[Pg 136], tuning -> turning