Ancienne régle à calculs Graphoplex modèle électronicien n° 698 Jeu de moulage A flower of each color

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

It is adorned with velvet and yellow satin

Diameter: approximately 11 cm without handles

Quite rare model resting on its pedestal

Diameter: 11 cm

Ancienne régle à calculs Graphoplex modèle électronicien n° 698 Jeu de moulage A flower of each colorThis 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.