TO THE CHEMICAL LABORATORY FROM—
Edward Schunck, Esq., F. R. S., Manchester, England.—Specimens (from his own researches)
of derivations from madder, indigo and chlorophyll.
Willoughby Walke, Esq., U. S. A., Fort Monroe, Va.—Specimen of new "smokeless
powder."
Dr. A. T. Mitchell, Vicksburg, Miss.—Specimen of "artificial silk" (cellulose reproduced
from the nitrate).
Prof. F. P. Venable, University of North Carolina.—Specimens of calcium carbide,
aluminum carbide, aluminum and alumina, fused in an electric furnace.
