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)
Tupperware lidded beaker, 2 of 3 Designer (Person) Unknown Manufacturer Tupperware Date 1960 - 1969 (circa)