Complex sentence: At the beginning of the 1930s, Bally was the first company to import pedoscopes into Switzerland from UK and in 1960 there were still 160 devices in use in the Canton of Zurich.
Split into simpler sentences: At the beginning of the 1930s, Bally was the first company to import pedoscopes into Switzerland from UK. By 1960 there were still 160 devices in use in the Canton of Zurich.