Chemical Laboratory, Lehigh University

Front:
207 il my f G 6125 Chemical Laboratory, Lehigh University, South Bethlehem, Pa. Copyright 1905 by the Rotograph Co I stend 8 hours per week in this building will write sin

Back:
The Rotograph Co., N. Y., City. (Germany.) RINT BETA lc i T 1900 PA VENTS 1906 OCT HILL, SERIES 1902 UNITED STATES OF MUPANIERICA P Mr. Harold P. Cobb, двагося Kents Hill, Maine. MIND 1706 FRANKLIN 1790 ONE CENT