... was melted and heated to a very high temperature. When cold, the mass was examined. It did not fill my expectations, but I, by sheer chance, happened to notice a few bright specks on the end of the arc carbon that had been in the mixture. I placed...
A pathfinder: discovery, invention and industry: how the world came to have ... - Page 99
by Edward Goodrich Acheson - 1910 - 129 pages
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