Note 14 — Chapter VI
Reading edition
“Dualin”—Patent No. 98,854, dated January 18, 1870, granted to Carl Dittmar, of Charlottenberg, Prussia. Claim as follows: “I claim a compound consisting of cellulose, nitro-cellulose, nitro-starch, nitro-mannite and Nitro-Glycerin, mixed in different combinations, depending on the degree of strength which it is desired the powder should possess in adapting its use to various purposes.”