File:Servotron power.jpg

Summary
Cover of Servotron single Electrical Power Sources For the Electrocution and Extinction of the Human Race...

Fair use rationale for Electrical Power Sources for the Electrocution and Extinction of the Human Race...
Though this image is subject to copyright, its use is covered by the U.S. fair use laws because:
 * 1) The image is only a small portion of the overall product and serves as an easily identifiable part of a larger entity.
 * 2) The copy of the image is low-resolution and will not produce high-quality copies of the art for illegal duplication. The quality is high enough to clearly present the image and to place the subject represented by the image in a good light.
 * 3) The use of the image will not affect the value of the original work or limit the copyright holder's rights or ability to gain commercially from the work.
 * 4) It illustrates educational articles about the subject represented by the image.
 * 5) The image is used as the primary means of visual identification of topics in the article.
 * 6) It is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.  A free image could not be created to replace it without itself being a derivative work.