orrect Distorted Perspective by Doubling
the Line of Distance 118
LXVIII. How to Draw a Cube on a Given Square, using only
One Vanishing Point 119
LXIX. A Courtyard or Cloister Drawn with One Vanishing
Point 120
LXX. How to Draw Lines which shall Meet at a Distant
Point, by Means of Diagonals 121
LXXI. How to Divide a Square Placed at an Angle into
a Given Number of Small Squares 122
LXXII. Further Example of how to Divide a Given Oblique
Square into a Given Number of Equal Squares,
say Twenty-five 122
LXXIII. Of Parallels and Diagonals 124
LXXIV. The Square, the Oblong, and their Diagonals 125
LXXV. Showing the Use of the Square and Diagonals
in Drawing Doorways, Windows, and other
Architectural Features 126
LXXVI. How to Measure Depths by Diagonals 127
LXXVII. How to Measure Distances by the Square
and Diagonal 128
LXXVIII. How by Means of the Square and Diagonal we can
Determine the Position of Points in Space 129
LXXIX. Perspective of a Point Placed in any Position
within the Square 131
LXXX. Perspective of a Square Placed at an Angle.
New Method 133
LXXXI. On a Given Line Placed at an Angle to the Base
Draw a Square in Angular Perspective, the
Point of Sight, and Distance, being given 134
LXXXII. How to Draw Solid Figures at any Angle
by the New Method 135
LXXXIII. Points in Space 137
LXXXIV. The Square and Diagonal Applied to Cubes
and Solids Drawn Therein 138
LXXXV. To Draw an Oblique Square in Another Oblique
Square without Using Vanishing-points 139
LXXXVI. Showing how a Pedestal can be Drawn
by the New Method 141
LXXXVII. Scale on Each Side of the Picture 143
LXXXVIII. The Circle 145