[mathematics]please help me in converting from log-log scale to linear scale

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eng_boody

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Please I'd like to convert the attached graph from logarithmic to linear scale by taking points and interpolate them , for accurate reasons i'd like not use the given values on x-axis ,y-axis i want to use vernier caliber to measure distances, how to do the scaling and converting,i already know how to use vernier caliber,
 

I don't think you can increase the accuracy starting from a printed graph. However the log scale is simply a representation of the curves so you don't have to perform any kind of transformation.
You can take from the graphs the point at the crossing of vertical and horizontals grid lines, put it into excel and print a linear graph.
 

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