CHAPTER XI.

ON WORKING IN STEEL 89 Hand Forging Steel 89 Welding Steel 89 Tempering 91 To Restore Burnt Steel 93 Annealing Steel 94 To Blue Steel 94 To Remove Blue Color From Steel 94 Tempering Knife Blades 95 The Lead Bath for Tempering 96 Test for Good Steel 97 Etching on Steel 97