Sloan Laboratory, Yale University

Front:
115 Sloan Laboratory, Yale University, New Haven, Conn.

Back:
21 US.POSTAGE QUALITY PoST (MS CARD EX UL30 EICEAM TRADE HARK FOR ADDRESS.ONLY C FOR CORRESPONDENCE CEASCS 1918 a PUBLISHED BY MORRIS BERMAN, NEWHAVEN, CONN MADE IN U.S.A uram ONN