Portrait of Jacobus Henricus Van 'T Hoff, a Dutch chemist who laid the foundations for stereochemistry. He was the first to receive the Nobel Prize for Chemistry. "Triangle Volume V No. 3 September 1961" appears at head of sheet.
Photograph of a dining room. Manuscript note on verso: "Dining room 32 Queen St. Edin. where chloroform was first tried as an anaesthetic, 4th Nov. 1847."
Portrait of William Pitcairn, President of the College of Physicians, London. Painted by Sir J. Reynolds and engraved by J. Jones.
Published according to Act of Parliament.