Graphoplex 6245 Electric 55cm 22″ slide rule full set box papers 1960 France

This complete set of slide rule, cardboard box, manual and card are made by Graphoplex from France. This model is the 6245 double length Electric slide rule. It has scales on both sides of the inner slider. The number 6245 can be found on the manual but no where else. The rule itself is made of plastic, the cursor has metal edges and is specific to this slide rule. The cursor has 1 long and 2 short hairlines, window with hairline on the back as well. Curser and slide rule are complete and everything is in good condition. There are no structural problem but there is a crack in the right back window plastic and a small crack (not through and through) on the left back side (priced accordingly), see last 2 pictures. It has a French instruction manual and formula card. It measures 58 cm or 23 inches. Do check the attached video on how to work your vintage man tool : slide rule operation instructions!