This slide rule has been specially constructed for the cable devision of the Company ACEC from Charleroi and must have been produced by Graphoplex (not brand). It has the French language on the back and front and a beautiful dedicated cursor with many headlines, yet it does not have a movable middle. It comes in the original ACEC signed leather sleeve. The interesting dedicated curser, rule and sleeve are complete and in good condition. with minimal signs of use and age. It measures ca 15 cm or 6 inches. Do check the attached video on how to work your vintage man tool : slide rule operation instructions!
