Fission Fragment Decay and fallout Guide / Commanders Radiation Guide

I have a Belgian Army circular slide rule, that I am trying to find information on.  Made in Germany for both US and Belgium commanders.

I have posted in the Belgium Forum and got no response, but I am hoping that more of these RADIAC calculators might have been issued to US troops than were in use with the ABL.

Can anyone link to more information about how exactly the guide is used.  

I believe there were instructions for using this item,  Instruction Pamphlet for Commander's Radiation Guide. AGL (1) 3-59-13M-70955.

Is there any chance anyone has this pamphlet which they could copy or would sell?

Failing that does anyone have a link to a PDF of this pamphlet or any other material relating to its use.  TIA Mike.

https://www.orau.org/ptp/collection/sliderules/nestler.htm

A facebook group where I asked the same question has come up with this.

Not exactly the same calculator, but near enough that I now understand and can use one side of the calculator, and at least part of the other side.

https://www.liberatedmanuals.com/TM-3-6665-303-10.pdf?fbclid=IwAR1V5-GMOgZZmbd2evCjTpf9SkL6gN9IIWaym8YlXUsNLTmnvswqSqf1WI4