CONTENTS

Article I’uge

INTRODUCTION .. 1—3 1

SECTION I.

OF THE EQUILIBRIUM AND PRESSURE OF BEAMS.

Composition and Resolution of Forces

7—14 b

u

Effect of Position

15

6

To measure the Strains in a Framed Truss . .

16—17 6

6

Of Framed Levers

18—18 a

8

Effect of Position further considered. .

19—21

9

To distinguish Ties from Struts

22—23 a

1 1

To find the Resultant of a System of Forces . .

24—29

13

OI the Centre of Gravity ..

30—34

16

Of the Pressure of Inclined beams ..

35—43

17

Of the Strain upon Beams laid horizontally ..

44—46

21

Of the Stress from the Pressure of Fluids

46 a-46 b

2'2

Of the Stress on the Gates of Canal Locks, &c.

46 c-46/

22

Of the Equilibrium of an Assemblage of Beams

47

25

Of the Points of Fracture in a System of Framing

48—55 a

25

To determine the Curve of Equilibrium

56 — 61

28

-tor a Cupola or Dome ..

62—66

30

General Observations on designing, Framing, &c.

67

32

SECTION II.

OF THE RESISTANCE OF TIMBER.

Introductory Remarks .. • • • • • • .. gg 34

Definitions and general Principles .. .. .. .. .. gg—71 35