This ad does not appear 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 neon signs made of Corning tubing; p.  from an unidentified magazine.
Article on p. 196 titled "H.R. 8555" mentions funds needed for 1938, so date is assumed to be 1937.
One of a series of ads with the logo "Corning means research in glass".