### Projection of Square Bar

Projection of a square bar.

### Projection of Square Bar With Cylindrical Portion

Projection of a square bar with a cylindrical portion.

### Volume Of Square Prism

Illustration used to show finding the volume of a square prism.

### Intersection of Square Pyramid and a Plane

Illustration of the intersection of a square pyramid and a plane.

### Intersection of Square Pyramid and a Plane

Illustration of the intersection of a square pyramid and a plane.

### Isometric of Stairs

Illustration of stairs; 3-dimensional view of 4 steps. The staircase can be created by combining/stacking…

### Cylindrical Water Tank

Cylindrical water tank with a height of 10 ft., thickness of 3 inches, and diameter of 3 feet. The diagram…

### Two Proportional Tetrahedrons

Diagram used to prove the theorem: "Two tetrahedrons having a trihedral angle in each equal, are to…

### Development Exercise of Cylinder using Three Piece Elbow

The exercise problem of creating a three piece elbow development or rolled out image of the cylinder…

### Volume Of Triangular Prism

Illustration used to show finding the volume of a triangular prism.

### Volume of Triangular Prism

Diagram used to prove the theorem: "The volume of a triangular prism is equal to the product of its…

### Parallelopiped Divided Into Triangular Prisms

Diagram used to prove the theorem: "The plane passed through two diagonally opposite edges of a parallelopiped…

### Development Exercise of Triangular Pyramid

Exercise problem to develop, or rolled out, image of the triangular pyramid by creating an equal length…

### Development of a Triangular Pyramid

Development of a triangular pyramid.

### Plan and Elevation of a Triangular Pyramid

Plan and elevation of a triangular pyramid.

### Intersection of Triangular Pyramid and a Plane

Illustration of the intersection of a triangular pyramid and a plane.

### Volume of Triangular Pyramid

Diagram used to prove the theorem: "The volume of a triangular pyramid is equal to one third of a triangular…

### Equivalent Triangular Pyramids

Diagram used to prove the theorem: "Two triangular pyramids having equivalent bases and equal altitudes…

### Two Cylinders with Axes Not Intersecting

"If the cylinder A were to be developed a right section as at S—S would have to be taken, whose…

### Intersection of Two Cylinders

"The intersection of two cylinders might represent a dome on a boiler. If the top view of cylinder A…

### Cross Section of Water Tank

Cross section of Pullman car water tank. The diagram can be used to find volume.