Radioactivity results from Curie’s lab

177. Marie Curie Document Signed on Radioactivity. Polish-born French physicist (1867–1934), she and her husband Pierre discovered two new elements, polonium and radium, in 1898. In 1911 she won the Nobel Prize for Chemistry. She died of leukemia brought about by her work with radioactive material. DS in French, signed “M. Curie,” one page, 8.25 x 12.5, June 15, 1923. Untranslated certificate from Curie’s laboratory at the Institut du Radium, providing an “assay of mesothorium by radiation.” In fine condition. Starting Bid $500

Signed twice by Edison, who purchases stock in his own Storage Battery Company

178. Thomas Edison Twice-Signed Stock Certificate for the Edison Storage Battery Company. Partly-printed DS, signed twice, “Thos. A. Edison,” one page, 13.25 x 8, July 17, 1901. Stock certificate issued to Thomas A. Edison for “Three Thousand Shares of the Capital Stock of the Edison Storage Battery Company.” Signed at the conclusion by Edison as president and countersigned by Treasurer John F. Randolph; both signatures have been scribbled over by a secretarial hand; the reverse is also endorsed by Edison. In fine condition. The Edison Storage Battery Company was organized in New Jersey on May 27, 1901, to develop, manufacture, and sell the alkaline storage battery that Edison had developed, which was used for mining lamps, train lighting and signaling, submarines, and electric vehicles. Starting Bid $300

179. Thomas Edison Document Signed. Partly-printed DS, signed “Thomas A. Edison,” one page, 5.25 x 3, April 11, 1911. United States Post Office registered mail notice card, postmarked at Orange, New Jersey, neatly signed in pencil by Edison using his iconic ‘umbrella’ autograph. In fine condition. Starting Bid $200