[Etchable glass sheet] [picture]

Title: 
[Etchable glass sheet] [picture]
Author/Artist: 
Corning Glass Works.
Publisher: 
[Corning, N.Y. : Corning Glass Works, 1957 or 1958].
Description: 
1 item : b&w photo ; 21 x 26 cm.
Bib ID: 
91029
Notes: 
Attached pr statement: "A selectively etchable glass is processed at the new Corning Glass Works research center. Worker places sheet of glass in an acid bath. WHen complete, each of the squares on the sheet will be a circuit board for high temperature, high humidity use."
Photo no. 367.57.