THE PRACTICE OF PERSPECTIVE:
IX. The Square in Parallel Perspective 42
X. The Diagonal 43
XI. The Square 43
XII. Geometrical and Perspective Figures Contrasted 46
XIII. Of Certain Terms made use of in Perspective 48
XIV. How to Measure Vanishing or Receding Lines 49
XV. How to Place Squares in Given Positions 50
XVI. How to Draw Pavements, &c. 51
XVII. Of Squares placed Vertically and at Different
Heights, or the Cube in Parallel Perspective 53
XVIII. The Transposed Distance 53
XIX. The Front View of the Square and of the
Proportions of Figures at Different Heights 54
XX. Of Pictures that are Painted according to the
Position they are to Occupy 59
XXI. Interiors 62
XXII. The Square at an Angle of 45 deg 64
XXIII. The Cube at an Angle of 45 deg 65
XXIV. Pavements Drawn by Means of Squares at 45 deg 66
XXV. The Perspective Vanishing Scale 68
XXVI. The Vanishing Scale can be Drawn to any Point
on the Horizon 69
XXVII. Application of Vanishing Scales to Drawing Figures 71
XXVIII. How to Determine the Heights of Figures
on a Level Plane 71
XXIX. The Horizon above the Figures 72
XXX. Landscape Perspective 74
XXXI. Figures of Different Heights. The Chessboard 74
XXXII. Application of the Vanishing Scale to Drawing
Figures at an Angle when their Vanishing
Points are Inaccessible or Outside the Picture 77
XXXIII. The Reduced Distance. How to Proceed when the
Point of Distance is Inaccessible 77
XXXIV. How to Draw a Long Passage or Cloister by Means
of the Reduced Distance 78
XXXV. How to Form a Vanishing Scale that shall give
the Height, Depth, and Distance of any Object
in the Picture 79
XXXVI. Measuring Scale on Ground 81
XXXVII. Application of the Reduced Distance and the
Vanishing Scale to Drawing a Lighthouse, &c. 84
XXXVIII. How to Measure Long Distances such as a Mile
or Upwards 85
XXXIX. Further Illustration of Long Distances and
Extended Views. 87
XL. How to Ascertain the Relative Heights of Figures
on an Inclined Plane 88
XLI. How to Find the Distance of a Given Figure
or Point from the Base Line 89
XLII. How to Measure the Height of Figures
on Uneven Ground 90
XLIII. Further Illustration of the Size of Figures
at Different Distances and on Uneven Ground 91
XLIV. Figures on a Descending Plane 92
XLV. Further Illustration of the Descending Plane 95
XLVI. Further Illustration of Uneven Ground 95
XLVII. The Picture Standing on the Ground 96
XLVIII. The Picture on a Height 97