This section is from the book "Practical Mechanics For Boys", by James Slough Zerbe. Also available from Amazon: Practical Mechanics for Boys.
FIG. | PAGE | |
1. | Bench vise | 8 |
2. | Pipe grip for vise | 9 |
3. | Swivel vise | 10 |
4. | Speed lathe | 11 |
5. | Calipers | 12 |
6. | Engine lathe | 13 |
7. | Center gage | 14 |
8. | Pocket screw and wire gage | 15 |
9. | Handy bench vise | 16 |
10. | Combination square | 17 |
11. | Uses of the combination square | 18 |
12. | A quick adjusting micrometer | 19 |
13. | Universal bevel protractor | 20 |
14. | Uses of universal bevel protractor | 21 |
15. | Grindstone truing device | 22 |
16. | Set of tools and case | 23 |
17. | The work bench | 24 |
18. | Hook tool | 28 |
19. | Parting tool | 28 |
20. | Knife tool | 28 |
21. | Right-hand side tool | 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 | 56 |
55. | Files | 58 |
56. | Correct file movement | 59 |
57. | Incorrect file movement | 60 |
58. | Belt lacing | 69 |
59. | Belt lacing | 69 |
60. | Belt lacing | 69 |
61. | Belt lacing | 69 |
62. | Bevel gears | 71 |
63. | Miter gears | 71 |
64. | Crown wheel | 71 |
65. | Grooved friction gears | 71 |
66. | Valve | 71 |
67. | Cone pulleys | 71 |
68. | Universal joint | 71 |
69. | Trammel | 73 |
70. | Escapement | 73 |
71. | Device for holding wheel | 73
p. xi |
72. | Rack and pinion | 73 |
73. | Mutilated gears | 73 |
74. | Shaft coupling | 73 |
75. | Clutches | 75 |
76. | Ball and socket joints | 75 |
77. | Fastening ball | 75 |
78. | Tripping devices | 75 |
79. | Anchor bolt | 75 |
80. | Lazy tongs | 75 |
81. | Disc shears | 75 |
82. | Wabble saw | 76 |
83. | Continuous crank motion | 76 |
84. | Continues feed | 76 |
85. | Crank motion | 76 |
86. | Ratchet head | 76 |
87. | Bench clamp | 76 |
88. | Helico-volute spring | 77 |
89. | Double helico-volute | 77 |
90. | Helical spring | 77 |
91. | Single volute-helix | 77 |
92. | Flat spiral or convolute | 77 |
93. | Eccentric rod or strap | 77 |
94. | Anti dead-centers for lathes | 77 |
95. | Plain circle | 95 |
96. | Ring | 96 |
97. | Raised surface | 96 |
98. | Sphere | 96 |
99. | Depressed surface | 96 |
100. | Concave | 97 |
101. | Forms of cubical outlines | 98 |
102. | Forms of cubical outlines | 98 |
103. | Forms of cubical outlines | 98 |
104. | Forms of cubical outlines | 98 |
105. | Shading edges | 99 |
106. | Shading edges | 99 |
107. | Illustrating heavy lines | 100 |
108. | Illustrating heavy lines | 100 |
109. | Lines on plain surfaces | 101
p. xii |
110. | Lines on plain surfaces | 101 |
111. | Illustrating degrees | 102 |
112. | Section lining | 103 |
113. | Drawing an ellipse | 104 |
114. | Perspective at angles | 106 |
115. | Perspective of cube | 107 |
116. | Perspective of cube | 107 |
117. | Perspective of cube | 107 |
118. | Protractor | 108 |
119. | Using the protractor | 109 |
120. | Section-lining metals | 110 |
121. | Spur gears | 122 |
122. | Miter gear pitch | 123 |
123. | Bevel gears | 124 |
124. | Laying of miter gears | 125 |
125. | Sprocket wheel | 128 |
126. | Simple lever | 129 |
127. | Lever action | 130 |
128. | The pulley | 132 |
129. | Change of direction | 133 |
130. | Change of direction | 133 |
131. | Steam pressure | 135 |
132. | Water pressure | 135 |
133. | Prony brake | 141 |
134. | Speed indicator | 142 |
 
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