This mathematics ClipArt gallery offers 21 mages of compasses, a tool used in mechanical drawing and math to create perfect circles of a certain radius, which is adjusted by separating or bringing together the anchor and drawing arms of the compass.

In changing the compass from a small to large radius, hold the legs together with one hand and spin…

### Bow Divider

Bow compasses should be used on all arcs and circles having a radius of less than 3/4 inch.

### Bow Pen

Bow compasses should be used on all arcs and circles having a radius of less than 3/4 inch.

### Bow Pencil

Bow compasses should be used on all arcs and circles having a radius of less than 3/4 inch.

### Bow Pencil

Depicted is a hand reaching out for a bow pencil.

### Compass

In some instruments joints are held in position by lock nuts allowing ample movement of the legs, yet…

To properly change the compass from one size to another, make sure to place legs together while turning…

### Compass and Line

Illustration of a compass with one leg at point A on the line segment and the other at Point B.

### Compass and Line

Illustration of a compass with one leg at point O on the line segment and the other at Point M.

### The Tip of the Compass

Adjusting the needle point so that it is slightly longer than that of the pencil.

### Compass Use

The use of a compass in drawing perfect circles

### Turning the Compass

A compass is a navigational instrument for determining direction relative to the poles.

### Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

### Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

### Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

### Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

### Compasses

"The compasses, next to the T square and triangles, are used more than any other instrument. A pencil…

### Compasses

Different compasses used in mechanical drawing.

### Compasses and Attachments

Compasses are used for drawing circles and arcs of circles.

### Bow Pencil

This bow pencil is used to make small curves.

### The Bow Pencil

The bow pencil is used to draw small circles and arcs.