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Summary
| Description |
English: A plate showing the development of the intrados of a skew arch built to the logarithmic pattern |
| Date | |
| Source | John L. Culley, Treatise on the Theory of Construction of Helicoidal Oblique Arches |
| Author | John L. Culley, digitised by Google Books |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:18, 31 August 2009 | | 292 × 453 (156 KB) | MegaPedant | {{Information |Description={{en|1=A plate showing the development of the intrados of a skew arch built to the logarithmic pattern}} |Source=John L. Culley, ''Treatise on the Theory of Construction of Helicoidal Oblique Arches'' |Author=John L. Culley, dig |
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