### Mechanical Drawing Cross Hatching of Babbitt

A conventional cross hatching symbol for Babbitt, metal composed of tin and copper.

### U.S. Standard Hexagonal Bolt Head

An illustration of the hexagonal bolt head showing measurements. The measurement of diameter, D, is…

### Mechanical Drawing Cross Hatching of Brass

The conventional material symbol using cross hatching technique for brass.

### Symbols of Building Materials

Series of conventional symbols for building materials in architecture.

### Mechanical Drawing Cross Hatching of Cast Iron

A conventional cross hatching material symbol for cast iron.

### Mechanical Drawing of Cross Hatching Cast Steel

A mechanical drawing cross hatching symbol for cast steel.

### Sifter, Coal

This coal sifter was used to sort coal into various sizes.

### Drafting Compass

A compass used to draw precise circles and arcs in mechanical drawing.

### Development Exercise of Cone

Development and top completion exercise problem of the cone by dividing the base into equal parts and…

### Development Exercise of Flange and Hood Cones

An exercise problem to complete the top and develop, stretched out, image of the flange and hood cones…

### Mechanical Drawing Cross Hatching of Copper

Conventional cross hatching mechanical drawing of copper.

### Cotton Gin Machine

This mechanical drawing of a cotton gin depicts internal moving parts, where the machine was intended…

### Press, Cotton

This mechanical drawing depicts a cotton press; used to compress cotton.

An application of line shading for curved surfaces used in mechanical drawing. The surfaces are shaded…

### Development Exercise of Cylinder

An exercise problem in creating a development or rolled out surface of a cylinder in a 4" by 5" drawing…

### Drawing Auxiliary Planes of Two Intersecting Cylinder

Auxiliary planes of two intersecting cylinder is drawn by drawing the first cylinder. Revolve the first…

### Outside View of Auxiliary Planes of Two Intersecting Cylinder

An outside view of two cylinders intersecting in an auxiliary plane. The dotted lines is the center…

### Sliced View of Auxiliary Planes of Two Intersecting Cylinder

A sliced view at point VW, shown in the top figure. The inside view of the cylinders shows the points…

### Three Views of Two Intersecting Cylinder

An illustration of two intersecting cylinders viewed from the side, top, and side of the intersecting…

### Diagram of Square Thread Nut and Screw

A representation of the square threaded nut and screw. The left image shows the threaded screw with…

### Diagram of Square Thread Nut and Screw

A representation of the square threaded nut and screw. The left image shows the threaded screw with…

### Development Exercise of Dome and True Shape of Hip

A development or rolled out image exercise problem of the dome and finding the true shape of the hip,…

### Hand Holding a Drafting Compass

A hand holds and employs a drafting compass, a device used to create precise arcs and circles in mechanical…

To fasten the paper, lay a sheet on the board with the left edge an inch or so from the ending, place…

### Drawing Parallel Lines Exercise

Parallel lines are drawn by using a triangle in combination with a T-square. To draw a line parallel…

### Hand Drawing

Side view of a hand drawing on a mechanical drawing board.

### Mechanical Drawing Exercise Line Shading Plates with Holes in Ink

A practice exercise for mechanical drawing to line shade the plate with elliptic holes. The plate is…

### Mechanical Drawing Exercise Line Shading Plates with Joining Arcs in Ink

"This is a practice in the joining of shaded arcs, the smaller of which should be drawn with the bow—Pen,…

### Mechanical Drawing Exercise Shading Sides of Inscribed Circle with Ink

A mechanical drawing practice problem of shading the sides of the inscribed circles. The darker area…

### Mechanical Drawing Exercise Shading Sides of Inscribed Squares and Circle with Ink

Mechanical drawing exercise of shading squares and circle in ink. The squares are first drawn with the…

### Mechanical Drawing Exercise Shading Sides of Small Circles with Bow Pen

An exercise to shade small circles with bow pen for mechanical drawing. The paper is first divided into…

### Mechanical Drawing Cross Hatching of Face Hardened Steel

A conventional face hardened steel, commonly used in military armory, cross hatching mechanical drawing…

### Basement Windows Framing

An illustration showing framing basement window with dimensions.

### Mechanical Drawing Cross Hatching of Glass

Conventional cross hatching for glass for mechanical drawing.

### Conventional Breaks Symbols of Pipe or Tubing by Cutting Diameter

The conventional break symbol for drawing a pipe or tubing by cutting the diameter in half.

A screw head with detailed measurements for accurate drawing. These measurements are based off the diameter…

### Drawing a Horizontal Line

All lines in a mechanical drawing are made with the aid of an instrument. Horizontal lines are drawn…

### Sketching Horizontal Line

Horizontal line can be drawn left to right by holding the pencil away from the point.

### Ruled Outline of House

A display drawing showing a ruled outline of a house on tracing paper.

### Mechanical Drawing Cross Hatching of Insulating Material

Cross hatching conventional symbol for insulating material used in mechanical drawing.

### Mechanical Drawing Cross Hatching of Leather

A conventional leather cross hatching mechanical drawing symbol.

"Illustrating the rule that an inclined illuminated surface is lightest nearest the eye and an inclined…

An example of the cylinder shaded by lines. The area without lines are where the light hit the cylinder.…

### Series of Cylinder Line Shading

"A row of cylinders of different sizes. The effect of polish is given by leaving several brilliant lines,…

### Mechanical Drawing Cross Hatching of Liquid

A conventional liquid symbol in cross hatching used in mechanical drawing.

### Brick in Elevation Large Scale Material Symbol

Conventional material symbol used in architectural and mechanical drawing for Brick in Elevation Large…

### Conventional Symbol of Brick in Elevation Small Scale

Architectural and mechanical conventional building material symbol for Brick in Elevation Small Scale.

### Brick in Section Material Symbol

Brick in Section conventional material symbol is commonly used in architectural and mechanical drawing.

### Cement and Plaster in Section Material Symbol

Building material conventional symbol for Cement and Plaster in Section commonly used in architectural…

### Concrete in Section Material Symbol

Concrete in Section conventional building material symbol used in architectural and mechanical drawing.

### CVT Stone in Elevation Material Symbol

A widely accepted building material symbol for CVT Stone in Elevation used in architectural and mechanical…

### CVT Stone in Section Material Symbol

Common material symbol for CVT Stone in Section for architectural and mechanical drawing.

### Earth in Section Material Symbol

Mechanical and architectural drawing building material symbol for Earth in Section.

### Finished Lumber in Section Material Symbol

Conventional building symbol for Finished Lumber in Section commonly used in architectural and mechanical…

### Rough Lumber in Section Material Symbol

Building material symbol for Rough Lumber in Section commonly used in architectural and mechanical drawing.

### Rubble Stone in Section Material Symbol

A commonly used symbol for Rubble Stone in Section used in architectural and mechanical drawing.

### Stages in Making Concrete Material Symbol

Architectural and mechanical drawing material symbol for Stages in Making Concrete Symbol.

### Terra Cotta Wall in Section Material Symbol

A commonly used material symbol in mechanical and architectural drawing for Terra Cotta Wall in Section.

### Wood in Elevation Material Symbol

A building material symbol used in architectural or mechanical drawing for Wood in Elevation.

### Mechanical Drawing Cross Hatching of Material Symbols

"The illustration gives conventions for a number of different materials. Those in the first line are…