A drafting machine

A track drafting machine allows the draftsman to draw accurate horizontal and vertical lines at any point on the page quite quickly. This simulation shows how it works.

The above image is just an animated gif file. Click the above button, or this link to launch the model.

System requirements: You must have Java Version 5 or higher in order to run this program. Please go to java.com to get the latest Java software, if you are not sure.

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