"’Is this genuine Pyrex?’ asks the woman.” and “How much does it cost you to get a new customer.”

Pyrex advertisements from Corning Glass Works/Hardware Age

(Left) "’Is this genuine Pyrex?’ asks the woman.” Pyrex advertisement from Corning Glass Works, published in Hardware Age, May 18, 1922 CMGL 140404

http://rakow.cmog.org/vwebv/holdingsInfo?bibId=140404

(Right) “How much does it cost you to get a new customer.” Pyrex advertisement from Corning Glass Works, published in Hardware Age, July 27, 1922. CMGL 140405

http://rakow.cmog.org/vwebv/holdingsInfo?bibId=140405

1922