[p v ] CONTENTS. PAGE
ix

Introduction

1
PROBLEM I.

To fix the Position of a given Point

10
PROBLEM II.

To draw a Right Line between two given Points

13
PROBLEM III.

To find the Vanishing-Point of a given Horizontal Line

17
PROBLEM IV.

To find the Dividing-Points of a given Horizontal Line

23
PROBLEM V.

To draw a Horizontal Line, given in Position and Magnitude, by means of its Sight-Magnitude and Dividing-Points

24
PROBLEM VI.

To draw any Triangle, given in Position and Magnitude, in a Horizontal Plane

27
PROBLEM VII.

To draw any Rectilinear Quadrilateral Figure, given in Position and Magnitude, in a Horizontal Plane

29
PROBLEM VIII.

To draw a Square, given in Position and Magnitude, in a Horizontal Plane

31
[pvi]
PROBLEM IX.

To draw a Square Pillar, given in Position and Magnitude, its Base and Top being in Horizontal Planes

34
PROBLEM X.

To draw a Pyramid, given in Position and Magnitude, on a Square Base in a Horizontal Plane

36
PROBLEM XI.

To draw any Curve in a Horizontal or Vertical Plane

38
PROBLEM XII.

To divide a Circle drawn in Perspective into any given Number of Equal Parts

42
PROBLEM XIII.

To draw a Square, given in Magnitude, within a larger Square given in Position and Magnitude; the Sides of the two Squares being Parallel

45
PROBLEM XIV.

To draw a Truncated Circular Cone, given in Position and Magnitude, the Truncations being in Horizontal Planes, and the Axis of the Cone vertical

47
PROBLEM XV.

To draw an Inclined Line, given in Position and Magnitude

50
PROBLEM XVI.

To find the Vanishing-Point of a given Inclined Line

53
PROBLEM XVII.

To find the Dividing-Points of a given Inclined Line

55
PROBLEM XVIII.

To find the Sight-Line of an Inclined Plane in which Two Lines are given in Position

57
[p vii]
PROBLEM XIX.

To find the Vanishing-Point of Steepest Lines in an Inclined Plane whose Sight-Line is given

59
PROBLEM XX.

To find the Vanishing-Point of Lines perpendicular to the Surface of a given Inclined Plane

61

APPENDIX.
I.

Practice and Observations on the preceding Problems

69
II.

Demonstrations which could not conveniently be included in the Text

99
                                                                                                                                                                                                                                                                                                           

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