Second of six test cups Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)
Third of six test cups Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)
Fourth of six test cups Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)
Fifth of six test cups Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)
Sixth of six test cups Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)
Thermo-Plastics saucer Designer (Person) Unknown Manufacturer Thermo-Plastics Date 1950 - 1959 (circa)