File:Prograph operators and controls.PNG Source: en.wikipedia.org/wiki/File:Prograph_operators_and_controls.PNG

Prograph operators and controls - courtesy MacTech.

Fair use rationale for Prograph

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:

The product no longer exists, so it cannot be self-documented
The screen shot in no way limits the non-existent company to gain remuneration

This is a screenshot of copyrighted computer software, and the copyright for its contents is most likely held by the author(s) or the company that created the software. It is believed that the use of a limited number of low-resolution screenshots:

for identification of, and critical commentary on, the software in question,
in the absence of a free alternative,
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

…qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information. Fair use