Since the top half of the image is from an image in the public domain and the bottom half is from an image licensed under either the GNU Free Documentation License or the Creative Commons Attribution-ShareAlike 3.0 Unported license, the resulting composite image as a whole is also licensed under either the GFDL or the same Creative Commons license.
The top image is a portion of an image from Wikimedia Commons. It is by the Wikimedia user "Watchexpert," and has been placed by the photographer in the public domain. Original location: http://commons.wikimedia.org/wiki/File:Guilloch%C3%A9-Muster_auf_Uhrwerkplatine_01.jpg Here is the entire original image:
The bottom image is a portion of an image also from Wikimedia Commons. It is a photograph of a Type 57SC Bugatti engine by Wikimedia Commons user Sfoskett, and is of a vehicle in the Ralph Lauren collection on display at the Boston Museum of Fine Arts in 2005. License: GFDL or CC By-SA 3.0 Unported. Location: https://commons.wikimedia.org/wiki/File:RL_1938_Bugatti_57SC_Atlantic_engine.jpg. Here is the entire original image:
The images by Wikimedia Commons users "Watchexpert" and Hans Becker, reproduced here, are in the public domain.
The photograph of the Type 57SC Bugatti automobile is licensed under the GNU Free Documentation License or the Creative Commons Attribution-ShareAlike 3.0 Unported license.
All portions of this document not noted otherwise are Copyright © 2006-2007, 2012 by David M. MacMillan and Rollande Krandall.
Circuitous Root is a Registered Trademark of David M. MacMillan and Rollande Krandall.
This work is licensed under the Creative Commons "Attribution - ShareAlike" license. See http://creativecommons.org/licenses/by-sa/3.0/ for its terms.
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