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TABLE OF CONTENTS.
INTRODUCTION
Page
1
CHAPTER I.
RULES FOR TRACING THE LINE OF A NEW ROAD, p. 39.
Tracing the Line of a new Road-Surveys
Mountains, Hills, and Valleys
Rivers
Bogs and Marsh Ground
Materials - Exposure-Evaporation
CHAP. II.
39
41
53
55
57
INVESTIGATION OF THE PRINCIPLES OF ROAD-MAKING,
Strength of Roads
P. 61.
Application of the Principles of Moving Bodies
Collision-Friction
Hardness
Elasticity
62
63
64
66
68
72
Machine for Measuring the Power of Traction
Traction on different Kinds of Roads
Erroneous Rules
-
147
Road with a Foundation of Pavement, and a
Surface of broken Stones
Road made with a Foundation of Roman Ce-
ment and Gravel, and a Surface of broken
Stones
165
Basalt - Granite - Quartz Quartz-Syenite - Por-
phyry Whinstone Guernsey Granite
-Mountsorrel Stone-Hartshill Stone
Shropshire, Staffordshire, and Warwickshire
Pebbles
Schistus-Limestone- Sandstone
270
271