Engraving and printing methods, advertisement illustration, technical- and trade-paper advertising, street-car advertising, outdoor advertising, house publications (1909)
Scranton : International Textbook Co. · leaf 529
Vol. X PITTSBURGH, U. S. A., 1906. Xo. ALL RECORDS FOR VISITORS BROKEN. Over 25,000 Persons Registered at the Heinz Main Plant in Pittsburgh Last Year—CameFrom All Parts of the. World. … EHHERE were over 25,000 visitors takenthrough H. J. Heinz Co.s Main Plant inPittsburgh last year. Every one of them wasenabled to see just how the famous 57 Varie-ties of pure food products are made and everyone of them was encouraged to ask questions.H. J. Heinz Co. do not believe in closed…