1 / 4
Bonner spheres test at the "Instituto de Investigaciones Fisicas" in La Paz
2 / 4
Luigi and Roberto testing the Bonner spheres
3 / 4
Luigi, Roberto and Pedro during the test of the Bonner spheres
4 / 4
Luigi and Carlo arriving to Chacaltaya with the Bonner spheres
4 / 4
Martin, Roberto and Luigi, testing the electronics
3 / 4
Roberto checking the first data
3 / 4
Martin, Roberto, Carlo and Luigi with the Bonner sphere system
3 / 4
Carlo, Luigi and Roberto with the Bonner sphere system
4 / 4
The first pulse spectra
4 / 4
Luigi, Martin and Roberto
4 / 4
Samadha room at Chacaltaya