Logarithmic slide rule on piece of graph paper.

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Size: 3744px × 5616px
Photo credit: © david soulsby / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: analog, analogue, calculating, calculator, computer, graph, log, logarithm, logarithmic, math, mathematical, mathematics, maths, number, numbers, paper, rule, scale, scales, slide, wood, wooden