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1959 Pittsburgh Coke.jpg
Client: Pittsburgh Coke and Chemical<br />
Ad Agency: W S Walker Advertising<br />
Product: <br />
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View of workmen laying flooring coated with Pittsburgh Coke and Chemical products.<br />
Pittsburgh Coke and Chemical were founded by John Hartwell Hillman, father of Henry Hillman.  Henry took over the business from his father in 1959 and divested a number of the businesses including the Pittsburgh Activated Carbon division to Calgon.