Stereoscopic Harmonic Curves
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Authors
Rigge, William F., S.J.
Issue Date
1924-01
Volume
XXIV
Issue
1
Type
Article
Language
en_US
Keywords
Rigge Papers , Harmonic Curves
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Abstract
First Paragraph
All professors of physics are fond of harmonic curves. Many even seem to consider it a duty, as far as their circumstances permit, at one time or another to construct a machine and draw some of these curves. Because of this general familiarity, the present article does not intend to explain their nature or their construction. But it calls attention to a feature that very few draughtsmen seem to know, a feature, of which the writer himself was not aware until it was pointed out to him by Pere Deschevrens of Jersey, England. This is, that by merely redrawing a curve after a slight change of the initial phase, the two curves become a stereoscopic pair. So that, one will not see, as before, a flat plane curve, however beautiful that may be, but a solid or three-dimensional figure, standing out distinctly in space.
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