DescriptionSlideruleexample2.svg A sliderule, aligned to calculate 2×x Date 2 February 2007, 18:24 (UTC) Source This is an SVG version of en:Image:Sliderule
DescriptionSlideruleexample2 with labels.svg English: based on File:Slide_rule_example2.svg (this is in turn based on File:Slide_rule_example2.jpg, which