File:Farey centrolinead, 1878.png
![File:Farey centrolinead, 1878.png](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Farey_centrolinead%2C_1878.png/800px-Farey_centrolinead%2C_1878.png?20240119200236)
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Summary
[edit]DescriptionFarey centrolinead, 1878.png |
English: This is a drawing of a centrolinead, a type of technical drawing instrument used for drawing lines in perspective, particularly when their w:Vanishing point lies outside the drawing board.
This particular design is attributed to John Farey in Instrument for making perspective drawings, 1814, though the author William Stanley attributes it instead to Peter Nicholson, who is also associated with another sort of centrolinead. When the instrument rests against two pins as shown, lines drawn along its long edge have a common vanishing point that lies at a distance along the dotted line. Alongside the centrolinead is a detailed drawing of a house in two-point perspective, with the drawing edge of the instrument aligned with a fence to show that it was draw using the instrument. |
Date | |
Source | A Descriptive Treatise of Mathematical Drawing Instruments |
Author | William Ford Stanley |
Licensing
[edit]Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Farey_centrolinead,_1878.png |
Public domainPublic domainfalsefalse |
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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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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