Ethyl Alcohol 100 gallons. Sulphuric Ether 10 lbs. Cadmium Iodine 10 " For use in the manufacture of pastes and varnishes from soluble cotton. Ethyl Alcohol 100 gallons. Methyl " 2 " Benzol 2 " For use in the purification of rubber. Ethyl Alcohol 100 gallons. Acetone 10 " Petroleum naptha 2 " Petroleum naptha must have a specific gravity of not less than ∑650 nor more than ∑720 at 60∞F. For use in the manufacture of watches. Ethyl Alcohol 100 gallons. Methyl " 5 " Cyanide of Potassium 1-1/2 lbs. Patened Blue B 1/8 oz. (Acid calcium, magnesium, or sodium salt of the disulpho-acids of meta-oxytetraethyldiamidotri-phenyl-carbidrids.) The methyl alcohol must have a specific gravity of not more than ∑810 at 60∞ F. The de-naturing mixture is best prepared by dissolving the cyanide of potassium in a small quantity of water, and then adding this solution to the alcohol, with which the methyl alcohol, containing the dissolved color, has been previously mixed. For the manufacture of celluloid, pyralin and similar products. Ethyl Alcohol 100 parts by volume Methyl " 5 " " " Camphor 7 lbs. Alternative special de-naturant for the manufacture of celluloid, pyralin and similar products. Ethyl Alcohol 100 gallons. Methyl " 2 " Benzol 2 "