overall, each: 4 1/2 in x 6 1/4 in x 1/16 in; 11.43 cm x 15.875 cm x .15875 cm
Object Name:
photographs
Description:
Two photographs that belonged to the industrial chemist, Charles J. Thatcher. One shows Wilhelm Ostwald and Jacobus Henricus Van Hoft in a chemistry laboratory, presumably at the University of Leipzig; one shows a chemistry lab.