XIII. Account of the processes used by Mr. Sheldrake to separate the mucilage from linseed oil, and to dissolve copal in spirit of turpentine, and in alcohol
"XIII. Account of the processes used by Mr. Sheldrake to separate the mucilage from linseed oil, and to dissolve copal in spirit of turpentine, and in alcohol." The Philosophical Magazine 5.17 (1799) 62-66