Two Star table tennis balls Designer (Organisation) Halex Manufacturer Halex Date 1951 - 1959 (circa)
Plastics: Just a Load of Rubbish?: Re-Evaluating Plastic and its Role in Saving the Environment Date 2023
HPG Galalith counters Designer (Person) Unknown Manufacturer HP Gibson & Sons Date 1920 - 1929 (circa)
Booklet: Harper's Bazaar. October 1956 Atrima at Harvey Nichols Manufacturer Harper's Bazaar Date 1956