File:Wag-132-1 Envelope Of Normals.png
Wag-132-1_Envelope_Of_Normals.png (243 × 285 pixels, file size: 36 KB, MIME type: image/png)
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Description |
English: Figure - Envelope Of Normals. |
Author | William Anthony Granville, Ph.D., LL.D. |
Date | |
Source | Elements of the Differential and Integral Calculus (revised), The Athenæum Press, Ginn and Company, Boston, U.S.A., 1911. |
Permission (Reusing this file) |
This file is in the public domain in the United States because it was published before January 1, 1929. This work may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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current | 08:02, 24 September 2011 | 243 × 285 (36 KB) | TaffyDownUnder (talk | contribs) | == Summary == {{Information |Description ={{en|1=Figure - Envelope Of Normals.}} |Source =Elements of the Differential and Integral Calculus (revised), The Athenæum Press, Ginn and Company, Boston, U.S.A., 1911. |Author =William Anthon |
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