Illustration used to show how to "draw a straight line through any given point on a given straight line…

Illustration used to show how to construct a bisector of an angle when the sides intersect within the…

Illustration used to show how to construct a bisector of an angle when the sides no not intersect within…

Illustration used to show how to "find an arc of a circle having a known radius, which shall be equal…

Illustration used to show how to find the center when given an arc and its radius.

Illustration used to construct a circle when given three points.

Illustration used to show how to pass a circumference through any three points not in the same straight…

Illustration of the construction used to bisect a given angle.

Illustration of the construction used to bisect a given line.

Illustration used to construct a circle when given two points that it passes through and a radius.

Illustration of a triangle with its incircle and three excircles constructed.

Illustration of the construction used to circumscribe a circle about a given triangle.

Illustration used to construct a common tangent when given two circles.

Illustration of the construction used to create an equal angle given a point in a given straight line…

Illustration of the construction used to escribe circles with centres (centers) called ex-centres of…

Illustration of the construction used to find the third angle of a triangle when two of the angles are…

Illustration used to construct a circle that shall pass through a given point and cut chords of a given…

Illustration of the construction used to inscribe a circle in a given triangle.

Illustration of the construction used to make a parallelogram when given two sides and the included…

Illustration to let fall a perpendicular upon a given line from a given external point.

Illustration of the construction of a perpendicular to a line when given a point O on the straight line.

Illustration of the construction of a perpendicular to a line when given a point B on the straight line.

Illustration of the construction used upon a given straight line, to describe a segment of a circle…

Illustration of the construction used to divide a straight line into a given number of equal parts.

Illustration of the construction used to create straight line parallel to a given straight line through…

Illustration of the construction used to draw a tangent to a given circle through a given point.

Illustration of the construction used to make a triangle when given two sides and the angle opposite…

Illustration of the construction used to make a triangle when given two sides and the angle opposite…

Illustration of the construction used to make a triangle when given two sides and the angle opposite…

Illustration used to construct a triangle , given the perimeter, one angle, and the altitude from the…

Illustration of the construction used to make a triangle when given a side and two angles.

Illustration of the construction used to make a triangle when given three sides.

Illustration of the construction used to make a triangle when given two sides and the included angle.

Illustration showing the correct and incorrect position of a right line pen against a T-square, triangle,…

Illustration used to show how to divide a line into any number of equal parts by construction.

Illustration used to show how to divide a given straight line into required number of equal parts.

Illustration used to show how to divide a given straight line into required number of equal parts.

Illustration used to draw a an ellipse using string and pins by describing a circles with diameters…

Illustration used to draw a an ellipse with major axis AB and minor axis CD.

Illustration used to show how to draw an equilateral triangle when given one side.

Illustration used to show how to draw an equilateral triangle when given the altitude.

Illustration used to show how "to construct a common external tangent to two given circles."

Illustration used to show how to construct two common external tangents to two given circles.

Illustration used to show how to draw a helix when the pitch and the diameter are given.

Illustration used to show how to inscribe a regular hexagon in a given circle.

Illustration of a how to construct a triangle equivalent to a given hexagon/polygon.

An illustration showing how to construct a hyperbola by plotting. "Having given the transverse axis…

An illustration showing how to construct a hyperbola by a pencil and a string. "Having given the transverse…

Illustration of the construction used to create an isosceles triangle, given the bases and the sum of…

Illustration used to show how to find a straight line of the same length as a given arc of a circle.

Illustration used to show how to inscribe a regular octagon in a given circle.

Illustration used to show how to draw an egg-shaped oval when given the diameters.