Graphoplex 621 Rietz-S slide rule full set box papers 1960 France

This complete set of slide rule, leather sleeve, cardboard box, manual and card are made by Graphoplex from France. This model is the 621 Rietz-S slide rule. It has scales on the front sides only, but these include a P and SRT scale. The number 621 is on the rule itself , on the outer box and on the manual. The rule itself is made of plastic, as well as the cursor which has one long and short hairlines. Curser and slide rule are complete and everything is in like new condition. It has a French instruction manual. It measures 29,5 cm or 11 3/4 inches. Do check the attached video on how to work your vintage man tool : slide rule operation instructions!