ClipArt ETC
Projection of a circular ring.

Projection of Circular Ring

Projection of a circular ring.

"A small projection in machinery, used to impart motion. <em>C. wheel</em>, a wheel having cogs on its circumfrence." &mdash; Williams, 1889

Cog-wheel

"A small projection in machinery, used to impart motion. C. wheel, a wheel having cogs on its…

Illustration showing the intersection of a plane with a cone. The solid is shown in perspective and the triangles that are to be located in the projections are represented in the drawing.

Intersection Of A Plane And Cone

Illustration showing the intersection of a plane with a cone. The solid is shown in perspective and…

Projection of a cylinder with a circular hole.

Projection of Cylinder With Circular Hole

Projection of a cylinder with a circular hole.

Illustration of the method of finding the projection, in the form of an ellipse, of the top of a cylinder greatly inclined to a plane.

Projection of Cylinder

Illustration of the method of finding the projection, in the form of an ellipse, of the top of a cylinder…

Projections of a cylinder inclined to horizontal plane.

Projections of Cylinder

Projections of a cylinder inclined to horizontal plane.

To determine the distance between two points A, B given by their projections.

Point Distance

To determine the distance between two points A, B given by their projections.

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together, or the marginal projections on the tires of railroad-car wheels to keep them on the rails." -Whitney, 1911

Flange

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together,…

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together, or the marginal projections on the tires of railroad-car wheels to keep them on the rails." -Whitney, 1911

Flange

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together,…

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together, or the marginal projections on the tires of railroad-car wheels to keep them on the rails." -Whitney, 1911

Flange

"A projecting edge, rim, or rib on any object, as the rims by which cast-iron pipes are connected together,…

Projection of a frustum of a square pyramid.

Projection of Frustum of Square Pyramid

Projection of a frustum of a square pyramid.

"Here the plane of projection is tangent to the sphere, and normals to all the faces are drawn fro mthe centre of the sphere to intersect the plane of projection." -The Encyclopedia Britannica 1910

Gnomonic Projection of a Cubic Crystal

"Here the plane of projection is tangent to the sphere, and normals to all the faces are drawn fro mthe…

Projection of a hexagonal bar.

Projection of Hexagonal Bar

Projection of a hexagonal bar.

Projection of a hexagonal nut.

Projection of Hexagonal Nut

Projection of a hexagonal nut.

The three points in which any line cuts the sides of a triangle and the projections, from any point in the plane, of the vertices of the triangle on to the same line are six points in involution.

Involution

The three points in which any line cuts the sides of a triangle and the projections, from any point…

To find the angle between two given lines a, b of which the projections a1, b1 and a2, b2 are given.

Angle of Two Lines

To find the angle between two given lines a, b of which the projections a1, b1 and a2, b2 are given.

To find the projections of a line which joins two points, A, B given by their projections.

Line Projection

To find the projections of a line which joins two points, A, B given by their projections.

The line ab is projected in the coordinate plane.

Length of a Line in Coordinate Plane

The line ab is projected in the coordinate plane.

The line ab is projected in the coordinate plane.

Length of a Line in Coordinate Plane

The line ab is projected in the coordinate plane.

The line revolved into V and projection H in coordinate plane.

Profile Line

The line revolved into V and projection H in coordinate plane.

Projections of a line parallel to a plane.

Projections of a Line

Projections of a line parallel to a plane.

Projections of a line perpendicular to a plane.

Projections of a Line

Projections of a line perpendicular to a plane.

Projections of a line inclined to a plane.

Projections of a Line

Projections of a line inclined to a plane.

Projections of a line inclined to both the horizontal and vertical planes will not show its true length, as represented in this drawing.

Projections of a Line

Projections of a line inclined to both the horizontal and vertical planes will not show its true length,…

Projections of a line's true length by revolving horizontal projection.

Projections of a Line

Projections of a line's true length by revolving horizontal projection.

Projections of a line's true length by revolving vertical projection.

Projections of a Line

Projections of a line's true length by revolving vertical projection.

Projections of a lines parallel to ground line.

Projections of a Lines

Projections of a lines parallel to ground line.

Illustration of a straight line projected upon a plane.

Line Projected Upon Plane

Illustration of a straight line projected upon a plane.

CD is the projection of AB upon OX. In each case AE=CD and AE=ABcos theta.

Projection of a Line Segment

CD is the projection of AB upon OX. In each case AE=CD and AE=ABcos theta.

Projections of a rectangular prism or block.

Projections of Rectangular Prism

Projections of a rectangular prism or block.

Projection of a round bar.

Projection of Round Bar

Projection of a round bar.

Illustration showing the development of a sphere by the perspective of its resolved cones.

Development Of Sphere

Illustration showing the development of a sphere by the perspective of its resolved cones.

Projection of a square bar.

Projection of Square Bar

Projection of a square bar.

Projection of a square bar with a cylindrical portion.

Projection of Square Bar With Cylindrical Portion

Projection of a square bar with a cylindrical portion.

"...in this figure the thicker lines are the projections of the three planes of symmetry, and on these lie the poles of the rhombehedra (six of which are indicated)." -The Encyclopedia Britannica 1910

Stereographic Projection of a Holosymmetric Rhombohedral Crystal

"...in this figure the thicker lines are the projections of the three planes of symmetry, and on these…

Projections of a triangular prism or block.

Projections of Triangular Prism

Projections of a triangular prism or block.

Projections of a triangular prism or block with a square hole.

Projections of Triangular Prism With Hole

Projections of a triangular prism or block with a square hole.

Projections and development of a truncated cylinder.

Projections and Development of a Truncated Cylinder

Projections and development of a truncated cylinder.

Projection of a turned block.

Projection of Turned Block

Projection of a turned block.