Nicomedes's Mechanism for Constructing a Conchoid

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

This Demonstration gives Nicomedes's (c. 180 BC) mechanism for constructing a conchoid. The mechanism consists of three rulers. Two are perpendicular; the horizontal one has a slot and the vertical one has a fixed peg at . The third ruler, , has a fixed peg at that slides along and a slot that lets it slide along .

[more]

You can vary the distance between the points and B and the length .

[less]

Contributed by: Izidor Hafner (November 2012)
Open content licensed under CC BY-NC-SA


Snapshots


Details

References

[1] T. L. Heath (ed.), The Works of Archimedes, New York: Dover Publications, 2002, p. cvii.

[2] D. E. Smith, History of Mathematics, Vol. II, New York: Dover Publications, 1958, pp. 299–300.



Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
Send