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This letter, dated May 22, 1992, is form Tony Blair, M.P. in the House of Commons, to Donna Vinter, Director of the Grinnell-in-London program, about the placement of a student. A second letter, dated April 30, 1993, is from Roz Preston, PA to Tony Blair, M.P.

Consists of lantern slides of late 19th and early 20th century chemical aparatus and four notebooks of chemical notes.  Professor William C. Oelke suggests that Hendrixson had equipment to copy pictures from books and may have photographed the portraits and laboratory apparatus from published material to use in his class teaching.

Consists of manuscripts of talks, articles, correspondence, photographs, and slides.  Most relate to chemistry and chemists at Grinnell College in the early and mid-twentieth century.