Mr. Magnen, Vice-Chairman of the "Physique Nucleaire" of the College of France has invented with the aid of his collaborator Mr. Chanson, the first "Protonic" microscope. This machine is similar to the electronic microscope, but deffers from the latter by the fact that the shot which is used is the "Proton" and the optical deviation is Electrostatic instead of magnetic. This machine which obtains an enlargement of 500,00 times, will unable to study, amongst others, the microbes of diseases which up to this date one had not been able to detect. March 21, 1952.