PART I.

GEOMETRY.—Straight Lines.—Curved Lines.—Solids.—Compound Lines.—Parallel Lines—Oblique or Converging Lines.—Plane Figures.—Angles.—Right Angles.—Acute Angles.—Obtuse Angles.—Right-angled Triangles.—Quadrilateral Figures.—Parallelograms.—Rectangles.—Squares.—Rhomboids.— Trapeziums.—Trapezoids.—Diagonals.—Polygons.—Pentagons.—Hexagons.— Heptagons.—Octagons.—Circles.—Chords.—Tangents.— Sectors.—Quadrants.—Arcs.—Concentric and Eccentric Circles.—Altitudes.—Problems I. to XXIX.—Drawing of Angles.—Construction of Geometrical Figures.—Bisection of Lines.—Trisection of Lines and Angles.—Division of Lines into any Number of Parts.—Construction of Triangles, Squares and Parallelograms.—Construction of Proportionate Squares.—Construction of Polygons.—Areas of Polygons.—Areas of Concentric Rings and Circles.—Segments of Circles.—The use of Ordinates for Obtaining Arcs of Circles.—Drawing an Ellipse with a Trammel.—Drawing an Ellipse by means of a String.—Same by Ordinates.—Raking Ellipses.—Ovals.—Sixty-two Illustrations.