### Centrodes

Aronhold stated if any three bodies have plane motion their three virtual centers are three points on…

### Construction Of A Cycloid

An illustration showing how to construct a cycloid. "The circumference C=3.14D. Divide the rolling circle…

### Construction Of An Ellipse Tangent To Two Parallel Lines

An illustration showing how to construct an ellipse parallel to two parallel lines A and B. "Draw a…

### Construction Of An Ellipse

An illustration showing how to construct an ellipse. "With a as a center, draw two concentric circles…

### Construction Of An Ellipse

An illustration showing how to construct an ellipse using a string. "Having given the two axes, set…

### Construction Of An Ellipse

An illustration showing how to construct an ellipse using circle arcs. "Divide the long axis into three…

### Construction Of An Ellipse

An illustration showing how to construct an ellipse using circle arcs. "Given the two axes, set off…

### Construction Of An Ellipse

An illustration showing how to construct an ellipse. Given the two axes, set off half the long axis…

### Construction Of An Evolute Of A Circle

An illustration showing how to construct an evolute of a circle. "Given the pitch p, the angle v, and…

### Construction Using Isometric Perspective

An illustration showing how to use isometric perspective. "This kind of perspective admits of scale…

### Construction Of A Screw Helix

An illustration showing how to construct a screw helix.

### Construction Of A Spiral

An illustration showing how to construct a spiral with compasses and four centers. "Given the pitch…

### Construction Of An Arithmetic Spiral

An illustration showing how to construct an arithmetic spiral. "Given the pitch p and angle v, divide…