Ancienne régle à calculs Graphoplex modèle électronicien n° 698 Jeu de moulage It is adorned with velvet

It is adorned with velvet and yellow satin

Diameter: 11 cm

a business placed in liquidation on November 9

A flower of each color on each mug for a typically vintage style

Quite rare model resting on its pedestal

Ancienne régle à calculs Graphoplex modèle électronicien n° 698 Jeu de moulage It is adorned with velvetThis rule was designed to provide not only a direct solution to reactance calculations (capacitive and inductive), as well as to problems relating to resonant circuits (at high and low frequency), but also to display in all these case, the real value of the result, thus leaving no risk of confusion of power of 10. Ruler in very good condition with its hard case and instructions. Electronics model no. 698. Length: 34 cm. Width: 5 cm.