Scientific American, Volume 17, No. 26 December 28, 1867 / A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
MANUFACTURING, MINING, AND RAILROAD ITEMS.
USEFUL COMPOUNDS ARE PATENTABLE--THE APPLICANT NOT REQUIRED TO PROVE THE FUNCTION OF EACH INGREDIENT.
PATENT OFFICE DECISIONS ON APPEAL.