File:Martienie Cannon.Jpg

Martienie Cannon as it is today, currently displayed as museum piece, at Denel in Erasmuskloof. Source: Article Ras Kanonne; Rosa Swanepoel; University of Pretoria. Website: http://www.up.ac.za/dspace/bitstream/2263/8272/1/Pta%2008-12.pdf

Fair use for Martienie_Cannon.jpg
Though this image is subject to copyright, its use is covered by the U.S. fair use laws, and the stricter requirements of Wikipedia's non-free content policies, because: It is a historically significant photo of the cannon after the war. No other image of the cannon available. The image was published by University of Pretoria for historical educational purposes. The image resolution of the photo is lower than the original. Copies made from it will be of very inferior quality. The photo is only being used for informational purposes. The inclusion of the photo in the article adds significantly to the article because the photo and its historical significance are the object of discussion in the article.