The company build and distributed the first navigation device in the history of automobiles. They used printed and exchangeable maps. The maps were put on a role. The driver turned the machine and could always see the route. Most likely the system was not very successful, because the company never paid dividends. The designer of the share, Umberto Natale Bertoletti, was born in 1889 in Rome. In 1907 he started his education as illustrator, painter and sculptor. Later Bertoletti engaged in the restructuring the Rome district of Borgo.