^Lot 257 Thomas Graham

Scottish chemist (1805–1869) who formulated Graham’s Law, discovered and named the process of dialysis and the concept of polybasic acids, introduced the ‘Graham tube,’ and published the Elements of Chemistry. Invitation, signed “Tho. Graham,” one page, 4.25 x 3.5, March 24, 1852. Clipped invitation card to a College Soiree, signed by Graham as Dean. A central horizontal fold and some light toning, otherwise fine condition.