60's
The Sevillian Electricity Company begins to illuminate each and every Andalusian home while powering the transformers of the numerous factories that pop up everywhere. These are the sixties, years of important technological advances in energy production and telecommunications.
Carrier wave equipment, blocking coils, capacitors and coupling boxes are implemented. It is the time of manual switchboards, of the La, Lb and Lc wires and, above all, a time where human relationships took precedence. The technician of those years was a specialist who was familiar with circuits, cathode rays, ohms, inductances, electrons and farads.
At that time the central offices were located on the central Alfonso template at that time. But that will be another story .