This ad is included in the published compilation of advertisements titled: What can we do for you? (TP853.N6 .C81w O).
Full page advertisement for Corning Glass Works, featuring Frank Lloyd Wright's S.C. Johnson & Son, Inc. building with Corning's glass tubing; p.  from unidentified magazine.
Article on p. 104 mentions sales for the year ending July 1939.
One of a series of ads with the logo "Corning means research in glass".