[5.] Industrial Biographies, Dr. S. Smiles.
[6.] Industrial Biographies.
[7.] Industrial Biographies.
[8.] Chambers's Encyclopædia.
[9.] Mr. A. F. Petch in Cassier's Magazine.
[10.] Cassier's Magazine.
[CHAPTER IV]
PORTABLE TOOLS
"If the mountain won't come to Mahomet," says the proverb, "Mahomet must go to the mountain."