Fifty years ago, on 1967, March the 6th, the French Academy (of Sciences) was publishing in its reports the research paper titled:
"Pulsed magnetic field of 500 kGs with a slow decay"
Note by Messrs. Salomon Askénazy, André Santouil and Joseph Cichosz, communicated by Mr Gaston Dupouy.
Enjoy the reading..
(see the attached file)