Accumulators, electric; Filters for non-medical respiratory masks; Pipettes; Radios; Semi-conductors; Stills for laboratory experiments; Surveying machines and instruments; Weighing apparatus and instruments; Measuring rulers; Protective clothing especially made for use in laboratories

vibration meters; air analysis apparatus; thermostats for vehicles; material testing instruments and machines, namely, electronic apparatus for testing the curing and drying of elastomeric materials; distillation apparatus for scientific purposes; electric measuring devices for measuring electric current; probes for scientific purposes; apparatus for regulating electric current; heat regulating apparatus, namely, laboratory equipment consisting of a drying closet, rotary evaporator, and react...