From The Boy Mechanic (1913)
A Wondergraph



This is a reprint, in the form of scanned images, of an article on making a "wondergraph" which appeared in Windsor, H. H., Ed. The Boy Mechanic. Chicago: Popular Mechanics Press, 1913.

Please note that this article is from 1913, when current standards for machine safety and the protection of children were not in existence. It is reprinted here for its historical interest only, NOT as a workshop project.

Text scanned 2001-08-02.

A Library of Antiquarian Technology