Description: |
PPG Industries, Crystal City, Missouri. Harold Edward LAVALLE DONLEY frequently visited PPG Industries' Crystal City plant in the 1970s while he was developing SolarCool, a reflective coating for architectural glass. The postcard is from a much earlier time. Read Harold's Story for more information about his career with PPG Industries. See the list of SolarCool installations. |
Source: |
Collection of Harold Edward DONLEY, Jr. |
Location: |
Crystal City, Jefferson County, MO, USA |
Date: |
Unknown |
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