Heading of table: "Hydrolysis of Oils and Fats by means of Hydrochl. Acid Sp. Gr. 1-16. 100 Grms of Oil or Fat and 100 cc of Acid; fresh acid used after each sample had been taken."
Heading of table: "Hydrolysis of Oils and Fats by means of Hydrochloric Acid. Sp: Gr 1-16. 100 grms of Oil or Fat containing free fatty acids and 100 cc of acid; fresh acid used after each sample had been taken."
Prepared by order of Stephen Pleasonton, 5th Auditor Treasy. Depat. and Supert. general of Lighthouses. [Shows locations of lighthouses on the Great Lakes.]