by manipulating a scan of a Pickett pocket slide rule, done by me, Benjamin Crowell, in 2005. The slide rule does not have a copyright notice on it, and...
DescriptionSlide rule example3.svg A slide rule, aligned to calculate 0.2×x Date 2 February 2007, 18:28 (UTC) Source This is an SVG version of en:Image:Slide rule...
en:Image:Slide rule example2.jpg (← that file has apparently been deleted, related versions of the file include File:Slide_rule_example3.jpg) Author Wrtlprnft,...
Related versions of the file include File:Slide_rule_example3.jpg), added labels Source Own work based on: Slide rule example2.svg by Wrtlprnft~commonswiki...
