The disks you see in the pictures of Joegrundman here above, are equivalent to the other side of your KM Attack disk. Except the KM disk does not have that square grid on it to judge distances graphically. The side you are talking about can only be used for multiplying/dividing angles, speeds, distances and times. The side in the images above only for manipulating (adding/subtracting) courses and (periscope-) bearings. They work completely different and those scales cannot be mixed. All you can do is memorize the number and locate it in the scale on the other side.
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