To this edition another chapter has been added, containing a number of miscellaneous exercises, which it is hoped will add to the usefulness of the work as a text-book in science classes. The latest examination paper in machine drawing by the Science and Art Department has also been added to the Appendix.

D. A. L.

London: August 1888.


CONTENTS.

PAGE
I.INTRODUCTION[1]
II.RIVETED JOINTS[6]
III.SCREWS, BOLTS, AND NUTS[14]
IV.KEYS[22]
V.SHAFTING[24]
VI.SHAFT COUPLINGS[25]
VII.BEARINGS FOR SHAFTS[30]
VIII.PULLEYS[36]
IX.TOOTHED WHEELS[39]
X.CRANKS AND CRANKED SHAFTS[43]
XI.ECCENTRICS[47]
XII.CONNECTING RODS[49]
XIII.CROSS-HEADS[56]
XIV.PISTONS[57]
XV.STUFFING-BOXES[63]
XVI.VALVES[68]
XVII.MATERIALS USED IN MACHINE CONSTRUCTION[76]
XVIII.MISCELLANEOUS EXERCISES[81]
APPENDIX A[99]
APPENDIX B[102]
INDEX[113]