CONTENTS. 



Preface 1 



Ch ipter I. — Introductory 3 



II. — Character and Method of Experiments 7 



III. — The Suspended Plane 12 



IV. — The Resultant Pressure Recorder 15 



V.— The Plane-Dropper 



VI. The Component Pressure Recorder 43 



VII. — The i )ynamometer-Chronograph 75 



VIII. — The Counterpoised Eccentric Plane 89 



IX. —The Rolling I Carriage 94 



X. — Summary In.") 



Appendix A 109 



Appendix B 11:: 



Appendix C Ill 



an 



