Curie Marie Pitchblends used by the Curies. B Ca lc p.99-100 T540.32 818cr p.250,242 Harpers Weekly. 51:1426 S28, 1802 Our. idt. 49:517 No.1810 Mr. C.W. Henderson, U.S.Bureau of Mines, says definitely that he is sure the.original pitchblends used by Madame Curie came. from. Joachimsthal in Austria, but that later cn pitchblends -were sent . her from Woods inu Central City. E R 5 Z , t