class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">28

22. Internal tool 28 23. Left-hand side tool 28 24. Tool for wrought iron 29 25. Tool for cast iron 29 26. End view of drill 31 27. Side view of drill 31 28. Hack-saw frame 35 29. Hack-saw blade 35 30. Plain hook tool 38 31. Plain straight tool 38 32. Proper angles for tools 39 33. Angles for tools 39

p. x

34. Angles for tools 39 35. Set of the bitt 40 36. Correct angle 41 37. Wrong angle 41 38. Too low 42 39. Improper set 42 40. Internal set 43 41. Set for brass 43 42. Surface gage 44 43. Uses of surface gage 46 44. Rounded surface 49 45. Winding surface 49 46. Hexagon nut 51 47. Laying off hexagon nut 51 48. Cutting key-way 52 49. Key-seat rule 54 50. Filing metal round 54 51. Filing metal round 54 52. Making a round bearing 55 53. Making a round bearing 55 54. Cross section of file