The problem of Königsberg bridges
From the exhibition "Giochi di luce e di specchi - Mirror and light tricks", organized in Erba in 1997, by the Liceo Scientifico Statale di Erba: a poster on the problem of Königsberg bridges.
© Rita Antonioli
foto di Rita Antonioli
The image belongs to the sections...:
Koenigsberg's bridges (Topology)
Prehistory: Erba 1997 (From the exhibitions of matematita)